CCMB

The People

Manjula Reddy

Manjula Reddy

Chief Scientist
+91-040-27192514
manjula@ccmb.res.in

Research Interests

Research in our laboratory is focused towards understanding how bacteria elongate, divide, and split their cell walls during cell cycle to successfully generate two equal daughter cells. We take a multi-disciplinary approach including genetics, biochemistry, cell biology, and genomics to address these questions. We use a well-known Gram-negative rod-shaped bacterium Escherichia coli as our primary model system. Our most significant contribution in this field was identification of a rate-limiting cleavage step in the growth and synthesis of peptidoglycan, a unique constituent of bacterial cell wall. We expect that our work facilitates better understanding of fundamental aspects of bacterial physiology thereby providing novel strategies for development of alternate antimicrobial therapeutics.

Selected Publications

Rajguru V, Chatterjee S, Garde S, and Reddy M 2024. Crosslink cleaving enzymes: the smart autolysins that remodel the bacterial cell wall. Trends in Microbiology doi: 10.1016/j.tim.2023.11.004

Som, N and Reddy, M. 2023. Cross-talk between phospholipid synthesis and peptidoglycan expansion by a cell wall hydrolase. Proc. Natl. Acad. Sci USA.120 (24), e2300784120.

Bahadur R, Chodisetti PK and Reddy M. 2021. Cleavage of Braun\\\\\\\’s lipoprotein Lpp from the bacterial peptidoglycan by a paralog of L,D-transpeptidases, LdtF. Proc. Natl. Acad. Sci USA 118: 19 (2).

Chodisetti PK and Reddy M. 2019. Peptidoglycan hydrolase of an unusual cross-link specificity contributes to bacterial cell wall synthesis. Proc. Natl. Acad. Sci USA 116: 7825-7830.

Education & Experience

P.G:

Biochemistry ; University of Hyderabad ; 1985

Ph.D:

Studies of mutational mechanisms in Escherichia coli in various phases of growth: reversion analysis of mutations in the lacZ gene ; Jawaharlal Nehru University (JNU-CCMB), New Delhi ; 2001

 

Team Members

team-members-pic
G Bhargavi Krishna Sree
G Bhargavi Krishna Sree

Senior Research Fellow

Senior Research Fellow

Shambhavi Garde
Shambhavi Garde

Senior Research Fellow

Senior Research Fellow

Suraj Kumar Meher
Suraj Kumar Meher

Junior Research Fellow

Junior Research Fellow

Vaidehi Rajguru
Vaidehi Rajguru

Senior Project Associate

Senior Project Associate

Krishna Chaitanya N
Krishna Chaitanya N

Junior Research Fellow

Junior Research Fellow

Stuti Chatterjee
Stuti Chatterjee

Junior Research Fellow

Junior Research Fellow

Harikrishnan S
Harikrishnan S

Project Associate - I

Project Associate - I

Debnita Mongal
Debnita Mongal

Junior Research Fellow (DBT)

Junior Research Fellow (DBT)

Syeda Meher Fatima
Syeda Meher Fatima

Project Assistant

Project Assistant

Vishnu Vachana Murapaka
Vishnu Vachana Murapaka

Junior Research Fellow

Junior Research Fellow

Publications

Title

Journal

Year

Glycan strand cleavage by a lytic transglycosylase, MltD contributes to the expansion of peptidoglycan in Escherichia coli.
PLoS genetics
2024
Crosslink cleaving enzymes: the smart autolysins that remodel the bacterial cell wall.
Trends in Microbiology
2023
Cross-talk between phospholipid synthesis and peptidoglycan expansion by a cell wall hydrolase
Proceedings of the National Academy of Sciences
2023
Peptidoglycan Remodeling by an L,D-Transpeptidase, LdtD during Cold Shock in Escherichia coli
Journal of Bacteriology
2022
Structural basis for the peptidoglycan editing activity of YfiH
mBio
2022
A LytM-factor, ActS functions in two distinctive peptidoglycan hydrolytic pathways in Escherichia coli
Frontiers in Microbiology
2022
Cleavage of Braun`s lipoprotein Lpp from the bacterial peptidoglycan by a paralog of L,D-transpeptidases, LdtF
PNAS
2021
Peptidoglycan: structure, synthesis and regulation
EcoSal Plus
2021
Structural basis for the differential regulatory roles of the PDZ domain in C-terminal processing proteases.
mBio
2019
Peptidoglycan hydrolase of an unusual cross-link specificity contributes to bacterial cell wall synthesis.
Proc Natl Acad Sci. USA
2019
A synergistic role for two predicted inner membrane proteins of Escherichia coli in cell envelope integrity.
Molecular Microbiology
2019
Structural basis of adaptor-mediated protein degradation by the tail-specific PDZ-protease Prc.
Nature Communications
2017
Determination of Keto-deoxy-d-manno-8-octanoic acid (KDO) from Lipopolysaccharide of Escherichia coli.
Bio-protocol
2015
Regulated proteolysis of a crosslink-specific peptidoglycan hydrolase contributes to bacterial morphogenesis.
Proc. Natl. Acad. Sci USA
2015
yciM is an essential gene required for regulation of lipopolysaccharide synthesis in Escherichia coli.
Molecular Microbiology
2014
Three redundant murein endopeptidases catalyse an essential cleavage step in peptidoglycan synthesis of Escherichia coli K12.
Molecular Microbiology
2012
SufI (FtsP) is a cell division protein required for the growth of Escherichia coli during oxidative stress.
Journal of Bacteriology
2007
Role of FtsEX in cell division of Escherichia coli: viability of ftsEX mutants is dependent on functional SufI or high osmotic strength.
Journal of Bacteriology
2007
Intersubunit signaling in RecBCD enzyme, a complex protein machine regulated by Chi hotspots.
Genes & Development
2007
A positive selection system for identification of recombinants using alpha-complementation plasmids.
BioTechniques
2004
Distinct signatures for mutator sensitivity of lacZ reversions, and for spectrum of lacI/lacO forward mutations on the chromosome of nondividing Escherichia coli.
Genetics
2004
IS186 insertion at a hot spot in the lon promoter as a basis for Lon protease deficiency of Escherichia coli B: Identification of a consensus target sequence for IS186 transposition.
Journal of Bacteriology
2001
lon incompatibility associated with mutations causing SOS induction: Null uvrD alleles induce an SOS response in Escherichia coli.
Journal of Bacteriology
2000
Characterization of the uup locus and its role in transposon excisions and tandem repeat deletions in Escherichia coli.
Journal of Bacteriology
2000
A genetic strategy to demonstrate the occurrence of spontaneous mutations in nondividing cells within colonies of Escherichia coli.
Genetics
1997
Identification and characterization of ssb and uup mutants with increased frequency of precise excision of transposon Tn10 derivatives: nucleotide sequence of uup in Escherichia coli.
Journal of Bacteriology
1997
Notifications
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