Lab Activities

 Scientific Meeting Presentations

2015

Peramuna, A. and Summers, M.L. Proteomic analysis of lipid droplets from Nostoc punctiforme. 15th International Symposium for Photosynthetic Prokaryotes, Tubingen, Germany (7/15) poster

A. Amir Ali, N.A. Fuentes, J. Challacomb, J.B. Polin, and M.L. Summers. Sigma factors, anti-sigma factors and akinete formation in Nostoc punctiforme.  15th International Symposium for Photosynthetic Prokaryotes, Tubingen, Germany (7/15) symposium talk

Summers, M.L. Identification and analysis of proteins involved in formation/function of cyanobacterial spores and lipid droplets. University of Tubingen, Germany 7/29/2015 invited lecture.

Geiger, S. Hunter., A. Peramuna, and M.L. Summers. Characterization of cyanobacterial lipid droplets and identification of lipid droplet-associated proteins. ASM General Meeting, New Orleans, LA (6/15)

Fuentes, N.A., A. Amir Ali, J. Challacomb, J.B. Polin, and M.L. Summers. Bacterial two-hybrid system identifies interacting sigma factors and anti-sigma factors in Nostoc punctiforme. ASM General Meeting, New Orleans, LA (6/15)

Markary, T., M. Oliveros-Etter, and M.L. Summers. Identification of a transcriptional regulator involved in cyanobacterial cell envelope integrity. CSUN Student Research and Creative Works Symposium, Northridge, CA (2/15)

Villaluz, B.B., A. Solomon, and M.L. Summers. Identifing proteins that associate with cyanobacterial lipid droplets.  CSUN Student Research and Creative Works Symposium, Northridge, CA (2/15)

Geiger, S. Hunter., A. Peramuna, and M.L. Summers. Characterization of cyanobacterial lipid droplets and identification of lipid droplet-associated proteins. CSUN Student Research and Creative Works Symposium, Northridge, CA (2/15)

Markary, T., M. Oliveros-Etter, and M.L. Summers. Identification of a transcriptional regulator involved in cyanobacterial cell envelope integrity.  CSU Biotechnology Symposium, Santa Clara, CA (1/15)

Geiger, S.H., A. Peramuna, and M.L. Summers. Characterization of cyanobacterial lipid droplets and identification of lipid droplet-associated proteins. CSU Biotechnology Symposium, Santa Clara, CA (1/15)


2014

Peramuna, A. and M.L. Summers.  Enhancing alkane production in cyanobacterial lipid droplets. 9th European Workshop on the Molecular Biology of Cyanobacteria. Texel, The Netherlands (9/14)

Peramuna, A. and M.L. Summers.  Characterization of cyanobacterial lipid droplet expression, content, and protein associations. 9th European Workshop on the Molecular Biology of Cyanobacteria. Texel, The Netherlands (9/14)

Peramuna, A. and M.L. Summers.  Characterization of Cyanobacterial Lipid Droplets from Nostoc punctiforme.  ESF-EMBO Symposium Biology of Plastids – Towards a Blueprint for Synthetic Organelles.  Polonia Castle in Pultusk, Poland (6/13)

Lee, J., N. Cassel, and M.L. Summers.  Determination of the SigG Regulon in Nostoc punctiforme using ROMA. 18th annual CSUN Student Research and Creative Works Symposium, Northridge, CA (2/14) - First Place poster

Calderon, C. and M.M. Summers.  Role of a Small Heat-Shock Protein in the Development of Nostoc punctiforme.  18th annual CSUN Student Research and Creative Works Symposium, Northridge, CA (2/14) - Second Place poster

Arias, D., Morton, R. and M.L. Summers.  Do cyanobacterial heterocysts and akinetes have common regulatory elements?  18th annual CSUN Student Research and Creative Works Symposium, Northridge, CA (2/14)

Yvonne Nunez, Y., A. Solomon, A. Cardenas, and M.L. Summers.  Riboswitches: new potential tools for controlling cyanobacterial protein expression.  18th annual CSUN Student Research and Creative Works Symposium, Northridge, CA (2/14)

2013
Peramuna, A. and M.L. Summers.  Characterization and enhancement of lipid production in cyanobacteria.  American Society for Microbiology General Meeting, Denver, CO (5/13)

Lee, J.J., N.J. Cassel, and M.L. Summers.  in-vitro transcription of sigG from Nostoc punctiforme.  American Society for Microbiology General Meeting, Denver, CO (5/13)

Polin, J.B. and M.L. Summers.  The putative RNA helicase NpF6355 is involved in global gene regulation during vegetative growth and differentiation in Nostoc punctiforme.  American Society for Microbiology General Meeting, Denver, CO (5/13)

Sanchez, S. and M.L. Summers.  Characterization of  sigB2 expression and identification of genes under its control in Nostoc punctiforme. CSU Biotechnology Symposium, Anaheim, CA (1/13)

Calderon, C. and M.L. Summers.  Role of a small heat-shock protein in development and stress adaptation of  Nostoc punctiforme.  CSU Biotechnology Symposium, Anaheim, CA (1/13)

Lee, J., N. Cassel, and M.L. Summers.  An  in-vitro  transcriptional study of SigG in  Nostoc punctiforme.  CSU Biotechnology Symposium, Anaheim, CA (1/13)

2012
Cassel, N.J., H. Medina, K. Legrand, and M. L. Summers. SigG is an ECF sigma factor required for normal differentiation and stress survival of Nostoc punctiforme.  14th International Symposium on Photosynthetic Prokaryotes, Porto, Portugal (8/12)

Lee, J., J. Polin, M. L. Summers.  Does a Nostoc punctiforme RNA helicase regulate expression of NpF2889 and NpR0438?  American Society for Microbiology General Meeting, San Francisco (6/12)

Polin, J. B., M. L. Summers.  Is the putative RNA helicase NpF6355 involved in global gene regulation during vegetative growth and differentiation in Nostoc punctiforme?  American Society for Microbiology General Meeting, San Francisco (6/12)

Cassel, N.J., H. Medina, K. Legrand, and M. L. Summers.  Characterization of putative ECF sigma factor and anti-sigma factor in Nostoc punctiforme. American Society for Microbiology General Meeting, San Francisco (6/12)

Yazdani, A and M. Summers.  Characterization of TetR/AcrR family transcriptional repressor genes involved in regulation of cellular differentiation in the cyanobacterium Nostoc punctiforme.  American Society for Microbiology General Meeting, San Francisco (6/12)

2011
Polin, J.B., P.C. Holmquist, A. Pisikyan, S. Rose, K. LeGrand, and M.L. Summers.  Genes and Gene Regulation Associated with Akinete Formation. 8th European Workshop on Molecular Biology of Cyanobacteria.  Naantali, Finland - MLS was an invited speaker (9/11)

Polin, J.B. and M.L. Summers.  Does Nostoc punctiforme encode a functional homolog of RapA?  American Society for Microbiology General Meeting, New Orleans (5/11)

Sanchez, S., J. B. Polin, M. L. Summers.  Elucidating the possible transcriptional regulation of genes by Npf6355 in Nostoc punctiforme.  American Society for Microbiology General Meeting, New Orleans (5/11)

Julfayan, A, S. Rose, Z.M. Summers, and M.L. Summers. Evidence for cell wall recycling in cyanobacteria: Characterization of NagZ.  23rd  CSU Biotechnology Symposium, Anaheim, CA (1/11)

Sine, J.P., M. Oliveros, and M.L. Summers.  Characterization of NpF1453, a transcriptional regulator in Nostoc punctiforme.  23rd  CSU Biotechnology Symposium, Anaheim, CA (1/11)

Sanchez, S., J. B. Polin, M. L. Summers.  Elucidating the possible transcriptional regulation of 6 genes by NpF6355 in Nostoc punctiforme. 23rd  CSU Biotechnology Symposium, Anaheim, CA (1/11)

2010
1. Holmquist, P.C., S. Rose, K. LeGrand, J.B. Polin, M. Oliveros, A. Paz, M.L.Summers.  Genes and gene regulation associated with akinete differentiation in the cyanobacterium Nostoc punctiforme.  Bacterial Cell Biology Conference. Puerto Morelos, Mexico (11/10)

2. Holmquist, P.C., S. Rose, K. LeGrand, J.B. Polin, M. Oliveros, A. Paz, M.L. Summers.  Genes and gene regulation associated with akinete differentiation in the cyanobacterium Nostoc punctiforme.  10th Cyanobacterial Molecular Biology Workshop, Lake Arrowhead, CA (6/10)

3. Holmquist, P.C., A. Julfayan, and M.L. Summers. Npun_F2773 dependent pNAG oxidation.  10th Cyanobacterial Molecular Biology Workshop, Lake Arrowhead, CA (6/10)

4. Escorcia, W., and M.L. Summers. The role of four response regulators in Nostoc punctiforme’s akinete differentiation
22nd  CSU Biotechnology Symposium, Santa Clara, CA (1/10)

5. Tamaddion, S. and M.L. Summers.  Characterizaion of gene up-regulation in akinete development for Nostoc punctiforme.  22nd  CSU Biotechnology Symposium, Santa Clara, CA (1/10)

6. Ip, T. and M.L. Summers.  Construction of a copper-inducible expression plasmid for gene characterization in Nostoc punctiforme.  22nd  CSU Biotechnology Symposium, Santa Clara, CA (1/10)

7. Carillo, L.R., C.P. Holmquist, and M.L. Summers.  Analyzing the Role of a Conserved Palindrome in Nostoc punctiforme   Akinete Gene Expression.  22nd  CSU Biotechnology Symposium, Santa Clara, CA (1/10)


2009
1. LeGrand, K., S. Rose, P. Holmquist, and M.L. Summers.  The involvement of two sigma factors in cyanobacterial akinete formation.  International Symposium on Photosynthetic Prokaryotes, Montreal, Quebec (8/09)

2. Korchagina, V. and M.L. Summers. Investigating the role of four transcriptional regulators in cyanobacterial akinete differentiation.  American Society for Microbiology General Meeting, Philidalphia, PA (5/09)

3. Polin, J. and M. L. Summers. Deletional Mutagenesis of Two Putative Akinete-Associated Genes in Nostoc punctiforme.  American Society for Microbiology General Meeting, Philidalphia, PA (5/09)

4. LeGrand, K. and M.L. Summers. Over-expression of an ECF Sigma Factor Induces Cell Differentiation in Nostoc punctiforme.  American Society for Microbiology General Meeting, Philidalphia, PA (5/09)

5. Carillo, L.R., C.P. Holmquist, and M.L. Summers. A conserved palindromic sequence involved in Nostoc puntiforme akinete gene expression.  11th Annual Sigma Xi Student Research Symposium California State University Northridge, CA. (5/09)

6. Polin, J.B. Deletional mutagenesis of putative akinete-associated genes in Nostoc punctiforme.  11th Annual Sigma Xi Student Research Symposium California State University Northridge, CA. (5/09)

7. Escorcia, W. The role of four response regulators in cyanobacterial akinete differentiation.  11th Annual Sigma Xi Student Research Symposium California State University Northridge, CA. (5/09)

8. Julfayan, A.  Evidence for cell wall recycling in cyanobacteria.  11th Annual Sigma Xi Student Research Symposium California State University Northridge, CA. (5/09)

9. Escorcia, W. and M.L. Summers. The role of four response regulators in Nostoc punctiforme’s akinete differentiation.  13th annual CSUN Student Research and Creative Works Symposium, Northridge, CA (2/09)

10. Carillo, L.R. and M.L. Summers. A conserved palindrome is hypothesized to be involved in Nostoc punctiforme akinete differentiation.  13th annual CSUN Student Research and Creative Works Symposium, Northridge, CA (2/09)

11. Korchagina, V. and M.L. Summers. Role of four transcriptional regulators in cyanobacterial akinete differentiation.  13th annual CSUN Student Research and Creative Works Symposium, Northridge, CA (2/09)

12. Tamaddoni, S. and M.L. Summers.  Confirming up-regulation of transcriptional regulators hypothesized to be involved in cyanobacterial akinete formation: A preliminary study.  13th annual CSUN Student Research and Creative Works Symposium, Northridge, CA (2/09)

13. Carillo, L.R. and M.L. Summers. A conserved palindrome is hypothesized to be involved in Nostoc punctiforme akinete differentiation.  21st  CSU Biotechnology Symposium, Los Angeles, CA (1/09)


2008
1. Carillo, L.R., and M.L. Summers. A conserved palindrome is hypothesized to be involved in Nostoc punctiforme akinete differentiation.  American Society for Microbiology Southern California Branch (SCASM). San Diego, CA (11/08) Poster award winner!

2. Korchagina, V., and M. L. Summers. The role of four transcriptional regulators in cyanobacterial akinete differentiation.  American Society for Microbiology Southern California Branch (SCASM). San Diego, CA (11/08)

3. Holmquist, P, E. Campbel, J.C. Meeks, and M.L. Summers. Identification of akinete-expressed genes by microarray and GFP-reporter analysis.  7th European Workshop of the Molecular Biology of Cyanobacteria. Ceske Budejovice, Czech Republic (9/08)

4. Oliveros, M. and M.L. Summers. Characterization of two akinete-associated response regulator genes in Nostoc punctiforme. American Society for Microbiology General Meeting, Boston, MA (6/08)

5. LeGrand, K. and M.L. Summers. Evidence for involvement of an ECF sigma factor in cyanobacterial cellular differentiation. American Society for Microbiology General Meeting, Boston, MA (6/08)

6. Ireland, R.J. and M.L. Summers. Promoter analysis of an Aminopeptidase gene in Nostoc punctiforme. American Society for Microbiology General Meeting, Boston, MA (6/08)

7. Polin, J. and M.L. Summers. Cell-type-specific patterned transcriptional expression in Nostoc punctiforme. American Society for Microbiology General Meeting, Boston, MA (6/08)

8. Paz, A. and M.L. Summers. Confirmation of akinete-specific expression for highly expressed genes NpF0784 and NpR3708 in Nostoc punctiforme. American Society for Microbiology General Meeting, Boston, MA (6/08)

9. Escorcia, W. and M.L. Summers.  Are genes in the OmpR family involved in cyanobacterial akinete differentiation? Twentieth CSU Biotechnology Symposium, Oakland, CA (1/08)

10. Legrand, K, J.B. Polin, and M.L. Summers. Confirmation of akinete cell-type-specific gene expression. Twentieth CSU Biotechnology Symposium, Oakland, CA (1/08)

11. Paz, A. and M.L. Summers.  Confirmation of akinete-specific expression for highly expressed genes F0784 and R3708 in Nostoc punctiforme. Twentieth CSU Biotechnology Symposium, Oakland, CA (1/08)

12. Yusupova, S.I. and M.L. Summers. Characterization of akinete-specific regulatory genes in Nostoc punctiforme. Twentieth CSU Biotechnology Symposium, Oakland, CA (1/08)


2007

1. Carrillo, L.R. and M.L. Summers. A conserved palindrome hypothesized to be involved in akiete gene expression. 12th Annual Student Research & Creative Works Symposium. CSUN, Northridge, CA (11/30)

2. Escorcia, W. and M.L. Summers.  Akinete differentiation in Nostoc punctiforme: a survival mechanism in response to environmental change.  12th Annual Student Research & Creative Works Symposium. CSUN, Northridge, CA (11/30)

3. Oliveros, M. and M.L. Summers.  Initial characterization of putative akinete specific genes in Nostoc punctiforme. 12th Annual Student Research & Creative Works Symposium. CSUN, Northridge, CA (11/30)

4. Paz, A., and M.L. Summers. Confirmation of akinete-specific expression for highly expressed genes F0784 and R3708 in Nostoc punctiforme.  12th Annual Student Research & Creative Works Symposium. CSUN, Northridge, CA (11/30)

5. Polin, J.B., and M.L. Summers. Up-regulation of 5 gene during akinete divelopment in cyanobacteria. 12th Annual Student Research & Creative Works Symposium. CSUN, Northridge, CA (11/30)

6. Yuspova, S.I. and M.L Summers. Characterization of akinete-specific genes.  12th Annual Student Research &Creative Works Symposium. CSUN, Northridge, CA (11/30)

7. Oliveros, M., and M.L. Summers.  Initial characterization of putative akinete specific genes in Nostoc punctiforme. American Society for Microbiology Southern California Branch (SCASM). San Diego, CA (10/07) Poster award winner!

8. Paz, A., and M.L. Summers. Confirmation of akinete-specific expression for highly expressed genes F0784 and R3708 in Nostoc punctiforme.  American Society for Microbiology Southern California Branch (SCASM). San Diego, CA (10/07)

9. Holmquist, C.P., E.L. Campbell, and M.L. Summers.  Molecular genetic analysis of akinete differentiation in Nostoc punctiforme.  9th Cyanobacterial Molecular Biology Workshop,  Wisconsin (6/6-10/07)

10. Ireland, R.J., M.L. Summers and C Argueta.  Promoter anlysis of a putative aminopeptidase in Nostoc punctiforme. American Society for Microbiology General Meeting, Toronto, ON, Canada.  (5/07).

11. Hedger, J., C.P. Holmquist, and M.L. Summers. Testing bioinformatic predictions of gene regulation in Synechocystis PCC 6803.  American Society for Microbiology General Meeting, Toronto, ON, Canada.  (5/07).

12. Hedger, J. and M.L. Summers. Testing bioinformatic predictions of gene regulation in Synechocystis PCC 6803. 19th Annual California State University Biotechnology Symposium (CSUPERB). San Jose, CA. (1/07)

13. Ireland, J.R. and M.L. Summers. Promoter analysis of an aminopeptidase gene in Nostoc punctiforme. 19th Annual California State University Biotechnology Symposium (CSUPERB). San Jose, CA. (1/07)


2006
1. Korchagina, V. and M.L.Summers. Akinete promoter analysis in Nostoc punctiforme. 11h Annual Student Research & Creative Arts Symposium. CSU Northridge.  (12/06)

2. Ireland, J.R. and M.L. Summers. Characterization of putative aminopeptidase in Nostoc punctiforme. 11h Annual Student Research & Creative Arts Symposium. CSU Northridge.  (12/06)

3. Hedger, J. and M.L. Summers. Testing bioinformatic predictions of gene regulation in Synechocystis PCC 6803. 11h Annual Student Research & Creative Arts Symposium. CSU Northridge.  (12/06)

4. Vasquez, A.V. and M.L. Summers. Repression of high-affinity bicarbonate transporter by CRP in cyanobacteria. 11h Annual Student Research & Creative Arts Symposium. CSU Northridge.  (12/06)

5. Vasquez, A.V. and M.L. Summers. Repression of high-affinity bicarbonate transporter by CRP in cyanobacteria. 2006 Annual Biomedical Research Conference for Minority Students (ABRCMS), Anaheim, CA. (11/06)

6. Vasquez, A.V. and M.L. Summers. Repression of high-affinity bicarbonate transporter by CRP in cyanobacteria. 70th Annual Meeting of the American Society for Microbiology Southern California Branch, San Diego, CA. (11/06)

7. Hedger, J., and M.L. Summers.  Testing bioinformatic predictions of gene regulation in Synechocystis PCC 6803. 2006 Sigma Xi Student Research Symposium California State University Northridge, CA. (5/06)

8. Vasquez, A.V. CRP-regulation of inorganic carbon uptake in Synechocystis PCC 6803.  2006 Sigma Xi Student Research Symposium California State University Northridge, CA. (5/06)

9. Murthy, K., C. Hwang, P. Holmquist, J. Aguilar, and M.L. Summers. Molecular characterization of Crp regulated genes in Synechocystis PCC 6803.  American Society for Microbiology General Meeting, Orlando, FL.  (5/06).

10. Ireland, R.J., D.C. Nelson, and M.L. Summers.  Isolation and characterization of akinetes in Nostoc punctiforme for transmission electron microscopy.  18th Annual California State University Biotechnology Symposium (CSUPERB): The Brain and the Future. San Jose, CA. (1/06)

11. Murthy, K., C. Pomykal, J. Augilar, and M.L. Summers.  Molecular characterization of Crp regulated genes in Synechocystis PCC 6803.  18th Annual California State University Biotechnology Symposium (CSUPERB): The Brain and the Future. San Jose, CA. (1/06)

12. Narcisco, D.K.,P.C. Holmquist, C.S. Pomykal, K. Murthy, and M.L. Summers.  Characterization of phaEC gene expression in Synechocystis sp. strain PCC 6803.  18th Annual California State University Biotechnology Symposium (CSUPERB): The Brain and the Future. San Jose, CA. (1/06)

13. Patel, R.B., and M.L. Summers.  Analysis of akinete specific protein expression in a zwf mutant of Nostoc punctiforme.  18th Annual California State University Biotechnology Symposium (CSUPERB): The Brain and the Future. San Jose, CA. (1/06)

14. Vasquez, A.V., and M.L. Summers. Crp-regulation of ndhF3 in Synechocystis PCC 6803.  18th Annual California State University Biotechnology Symposium (CSUPERB): The Brain and the Future. San Jose, CA. (1/06)

15. Hedger, J.L. and M.L. Summers.  Cyanobacterial transporters and Crp regulation.  18th Annual California State University Biotechnology Symposium (CSUPERB): The Brain and the Future. San Jose, CA. (1/06)


2005

1. Ireland, J. and M.L. Summers. Characterization of Nostoc punctiforme akinetes using transmission electron microscopy.  CSUN 10th Annual Student Research and Creative Works Symposium, Northridge, CA (11/05)

2. Murthy, K., C. Hwang, and M.L. Summers. Identification and confirmation of Crp regulated genes in Synechocystis sp strain PCC 6803.  CSUN 10th Annual Student Research and Creative Works Symposium, Northridge, CA (11/05) First place winner.

3. Patel, R. and M.L. Summers. Identification of akinete specific proteins expressed in a zwf mutant of Nostoc punctiforme.  CSUN 10th Annual Student Research and Creative Works Symposium, Northridge, CA (11/05)

4. Patel, R. and M.L. Summers. Identification of akinete specific proteins expressed in a zwf mutant of Nostoc punctiforme.  American Society for Microbiology Southern California Branch. San Diego, CA (10/05)

5. Hedger, J. and M.L. Summers. Optimum cyanobacterial growth requires a functional Crp.  American Society for Microbiology Southern California Branch. San Diego, CA (10/05)

6. Murthy, K., C. Hwang, and M.L. Summers. Identification and confirmation of Crp regulated genes in Synechocystis sp strain PCC 6803.  American Society for Microbiology Southern California Branch. San Diego, CA (10/05)

7. Ireland, J. and M.L. Summers. Characterization of Nostoc punctiforme akinetes using transmission electron microscopy.  American Society for Microbiology Southern California Branch. San Diego, CA (10/05)

8. Holmquist, P. and M.L. Summers. Motility and Photoprotection – Coordinated by CRP.  Spring 2005 Sigma Xi Student Research Symposium.  (Second Place Winner) CSU Northridge. (4/05)


2004
1. Dennis K. Narciso,  P.C. Holmquist, C. Pomykal, J. Aguilar, M.L. Summers. Screening of Crp Regulated Genes in Synechocystis sp. strain 6803. ABRCMS National Conference, Dallas TX. (11/04)

2. Aguilar, J., C. Pomykal, P. Holmquist, and M.L. Summers.  Screening of cAMP receptor protein regulated genes by quantitative real-time polymerase chain reaction. Society for the Advancement of Chicanos and Native Americans in Science (SACNAS) National Conference,  Austin, TX (10/04)

3. Summers, M.L., C. Argueta, and K. Yuksek. Identification and analysis of akinete specific genes in Nostoc punctiforme.  8th Cyanobacterial Workshop, Montreal, Canada (8/04)
Note: This is an oral presentation at an international meeting.

4.  Holmquist, P.C and M.L. Summers. Cyclic adenosine monophosphate receptor protein in the cyanobacterium Synechocystis 6803 is required for optimal growth in high light. 104th General Meeting of the American Society for Microbiology, New Orelans. (5/04)

5.  Summers, M.L. Creation of a bioinformatics-driven microbial molecular genetics laboratory. American Society for Microbiology Conference for Undergraduate Educators. New Orelans. (5/04)

6.  Holmquist, P. and M.L. Summers. Crp, a global gene regulator, is required for optimal growth in high light and regulates photo-protection in a model photosynthetic microorganism. 16th Annual California State University Biotechnology Symposium (CSUPERB): Proteomics and Plumbing the Proteome. San Jose, CA. (1/04)


2003

1. Claudia Argueta and Michael L. Summers Characterization of a model system for Nostoc punctiforme akinete development  West Coast Bacterial Physiologists Meeting Asilomar Conference Center, Pacific Grove, CA (12/03)

2. Holmquist, P. and M.L. Summers. Regulation of photo-protection in the cyanobacterium Synechocystis. 8th Annual Student Research & Creative Arts Symposium. CSU Northridge.  (Second Place Oral Presentation Winner) (11/03)

3. Azarmnia, M. and M.L. Summers. Glucose catabolic pathways in the cyanobacterium Synechocystis PCC 6803. 11th International Symposium on Phototrophic Prokaryotes. Tokyo, Japan. (8/03)

4. Hwang, C. and M.L. Summers. Identification of Synechocystis PCC 6803 genes regulated by Crp using a transcriptional reporter library. 11th International Symposium on Phototrophic Prokaryotes. Tokyo, Japan. (8/03)
Note: this was a big honor for a Master’s student to give an oral presentation at this international conference along side professors and postdocs!

5. Argueta, C. and M.L. Summers.  Development of a model system for Nostoc punctiforme akinete differentiation. 11th International Symposium on Phototrophic Prokaryotes. Tokyo, Japan. (8/03)

6. Azarmnia, M. and M.L. Summers. Glucose catabolic pathways in the cyanobacterium Synechocystis PCC 6803. Sigma Xi Student Research Symposium, CSUN (4/03)

7. Hwang, C. and M.L. Summers. Identification of cyanobactieral genes regulated by Crp using a transcriptional reporter library. Sigma Xi Student Research Symposium, CSUN (4/03)


2002
1.    Hwang, C. and M.L. Summers. Identification of cyanobacterial gene regulated by Crp using a transcriptional reporter library. 7th Annual Student Research & Creative Arts Symposium. CSU Northridge.  Second Place Oral Presentation Winner. (11/02)

2.    Azarmnia, M. and M.L. Summers. Glucose Catabolic Pathways in the Cyanobacterium Synechocystis PCC 6803. 7th Annual Student Research & Creative Arts Symposium. CSU Northridge. (11/02)

3.    Yuksek, K. and M.L. Summers. Identification of akinete specific genes in Nostoc punctiforme. Spring 2002 Sigma Xi Student Research Symposium. CSUN. (4/02)

4.    Choe, D. and M.L. Summers. Radiocarbon analysis of glucose catabolic pathways in Synechocystis sp. strain PCC 6803. Spring 2002 Sigma Xi Student Research Symposium. CSUN. (4/02)

5.    Hwang, C. and M.L. Summers. Identification of cyanobacterial gene regulation using a transcriptional reporter library. Spring 2002 Sigma Xi Student Research Symposium. CSUN. Third Place Winner(4/02)


2001
1.     Choe, D. and M.L. Summers. Radiocarbon analysis of glucose catabolic pathways in Synechocystis sp. PCC 6803. 6th Annual Student Research & Creative Arts Symposium. CSU Northridge (11/01)

2.    Hwang, C. and M.L. Summers. Identification of cyanobacterial gene regulation using a transcriptional reporter library. 6th Annual Student Research & Creative Arts Symposium. CSU Northridge (11/01)

3.    Ashe, K. and M.L. Summers. Determining the role of the cAMP receptor protein in transcriptional regulation of Synechocystis sp. strain PCC 6803. 7th Cyanobacterial Workshop, “A Signal Event”. Asilomar Conference Center, Pacific Grove, CA (July 27-31/01)

4.    Yuksek, K. and M.L. Summers. Use of the differential display technique for identification of akinete specific genes in Nostoc punctiforme. 7th Cyanobacterial Workshop, “A Signal Event”. Asilomar Conference Center, Pacific Grove, CA (July 27-31/01)

5. Zavala, ME and M.L. Summers. Bridges Program at CSU Northridge. NIH Bridges Program Directors Meeting organized to update and educate grant recipients about minority recruitment and administration of programs. (June 7-9/01)

6.    Summers, M.L. Redesigning a Course in Bacterial Diversity.   American Society for Microbiology’s 8th Undergraduate Microbiology Education Conference. I was also group leader in a “working session” where best teaching activities were shared. Orlando, Florida (May 18-20/01)

7.    Ashe, K. and M.L. Summers. Using Differential Display to Identify Genes Under Transcriptional Control of the cAMP Receptor Protein.  Sigma Xi Student Research Symposium, Graduate Division , CSU Northridge (May 4/01)

8. Yuksek, K. and M.L. Summers. Differential Expression of Akinete Specific Genes in Nostoc punctiforme. Sigma Xi Student Research Symposium, Graduate Division , CSU Northridge (May 4/01)

9.    Ashe, K. and M.L. Summers. Using Differential Display to Identify Genes Under Transcriptional Control of the cAMP Receptor Protein. 13th Annual California State University Biotechnology Symposium (CSUPERB): Bioinformatics, Structural Genomics and Future Prospects, at the Kellogg Conference Center, Cal Poly Pomona (Jan.12-13/01). Also served as a session facilitator

10.    Taback, M and M.L Summers. Induction of Cyanobacterial Genes under Conditions of Autotrophy, Heterotrophy and Mixotrophy. 13th Annual California State University Biotechnology Symposium (CSUPERB): Bioinformatics, Structural Genomics and Future Prospects, at the Kellogg Conference Center, Cal Poly Pomona (Jan.12-13/01).


2000
1.  Summers, M.L. and K. Yuksek. The use of differential display in the study of cyanobacterial akinete differentiation. West Coast Bacterial Physiologists Meeting at Asilomar, Pacific Grove, CA. (Dec. 15-17/00)

2. Troub, T. and M.L. Summers. Protease regulation of exopolysaccharide production in Rhizobium meliloti. Spring 2000 Sigma Xi Student Research Symposium, CSUN. 5/00

3.    Summers, M.L.  Is RcsA a Regulator of Rhizobial Exopolysaccharide Production?  Faculty Poster & Creative Activities Fair. CSUN.(2/00)

4.    Ashe (Leigh), K. and M.L. Summers.  Is Crp involved in Carbohydrate Catabolism? 12th Annual California State University Biotechnology Symposium (CSUPERB): Bioinformatics and Genomics at the Kellogg Conference Center, Cal Poly Pomona, (1/00).


1999
1. York. S. and M.L. Summers. Explorations of cyanobacterial glucose degradation using site directed mutagenesis. 4th annual CSUN Student Research and Creative Works Symposium, CSUN. (11/99)

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