Research Publications
Nandineni,
M. R., R. S. Laishram, and J. Gowrishankar. 2004.
Osmosensitivity associated with insertions
in argP (iciA) or glnE
in
glutamate synthase (GOGAT)-deficient mutants of Escherichia
coli.J. Bacteriol. 186:6391-6399. [PDF]
Gowrishankar, J.,and R. Harinarayanan. 2004. Why is transcription coupled to translation in bacteria? Mol. Microbiol. (in press). [PDF]
Nandineni,M. R., and J.Gowrishankar. 2004. Evidence for an arginine exporter encoded by yggA (argO)
that is regulated by the LysR-type
transcriptional regulator ArgP in Escherichia
coli. J. Bacteriol. 186:3539-3546. [PDF]
Harinarayanan,
R., and J.
Gowrishankar. 2004. A dnaC mutation
in Escherichia coli that affects copy
number of ColE1-like plasmids and the PriA-PriB (but not Rep-PriC)
pathway of
chromosomal replication restart. Genetics 166:1165-1176.
[PDF]
Bharatan,
S. M., M. Reddy, and J. Gowrishankar.
2004. Distinct
signatures for mutator sensitivity of lacZ reversions
and for the spectrum of lacI/lacO forward mutations on
the
chromosome of nondividing Escherichia
coli. Genetics 166:681-692.
[PDF]
Harinarayanan,
R., and J.
Gowrishankar. 2003. Host factor titration by chromosomal R-loops as
a mechanism
for runaway plasmid replication in transcription termination-defective
mutants
of Escherichia coli. J. Mol. Biol. 332:31-46.
[PDF]
Gowrishankar,
J., K
.
Yamamoto, P.R. Subbarayan, and A. Ishihama. 2003. In vitro
properties of RpoS (sS)
mutants of Escherichia coli with postulated N-terminal
subregion 1.1 or
C-terminal region 4 deleted. J. Bacteriol. 185:2673-2679.
[PDF]
Rajkumari,
K., and J.
Gowrishankar. 2002. An N-terminally truncated RpoS (sS)
protein in Escherichia coli
is active in vivo and exhibits normal environmental regulation even in
the
absence of rpoS transcriptional and
translational control signals. J. Bacteriol. 184:3167-3175.
[PDF]
SaiSree,
L., M. Reddy, and J.
Gowrishankar. 2001. 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. J.
Bacteriol. 183:6943-6946. [PDF]
Rajkumari,
K., and J.
Gowrishankar. 2001. In vivo
expression from the RpoS-dependent P1 promoter of the osmotically
regulated proU operon in Escherichia coli
and Salmonella
enterica serovar Typhimurium:
activation by rho and hns mutations
and by cold stress. J.
Bacteriol. 183:6543-6550. [PDF]
Sardesai,
A. A., and J. Gowrishankar. 2001. Improvement in K+-limited
growth rate associated with expression of the N-terminal fragment of
one
subunit (KdpA) of the multi-subunit Kdp transporter in Escherichia
coli. J. Bacteriol. 183:3515-3520. [PDF]
Sardesai,
A. A., and J. Gowrishankar. 2001. trans-Acting
mutations in loci other
than kdpDE that affect kdp operon
regulation in Escherichia coli: effects of cytoplasmic
thiol oxidation status and
nucleoid protein H-NS on kdp
expression. J. Bacteriol. 183:86-93. [PDF]
SaiSree,
L., M. Reddy, and J. Gowrishankar.
2000. lon incompatibility associated
with mutations causing SOS induction: null uvrD
alleles induce an SOS response in Escherichia
coli. J. Bacteriol. 182:3151-3157.
[PDF]
Reddy,
M., and J. Gowrishankar. 2000.
Characterization of the uup locus and
its role in transposon excisions and tandem repeat deletions in Escherichia coli. J. Bacteriol. 182:1978-1986. [PDF]
Gowrishankar,
J., and
A. J. Pittard.
1998. Superimposition of TyrR protein-mediated regulation on
osmoresponsive
transcription of Escherichia coli proU
in vivo. J. Bacteriol. 180:6743-6748.
[PDF]
Rajkumari,
K., A. Ishihama, and J. Gowrishankar.
1997. Evidence for transcription attenuation rendering cryptic a ss-dependent
promoter of the osmotically regulated proU
operon of Salmonella typhimurium. J.
Bacteriol. 179:7169-7173. [PDF]
Reddy,
M., and J. Gowrishankar. 1997. A
genetic strategy to demonstrate the occurrence of spontaneous mutations
in
nondividing cells within colonies of Escherichia
coli. Genetics 147:991-1001. [PDF]
Bhandari,
P., and J. Gowrishankar. 1997. An Escherichia
coli host strain useful for
efficient overproduction of cloned gene products with NaCl as the
inducer. J.
Bacteriol. 179:4403-4406. [PDF]
Reddy,
M., and J. Gowrishankar. 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.
J. Bacteriol. 179:2892-2899. [PDF]
Rajkumari, K., S. Kusano, A. Ishihama, T. Mizuno, and J.
Gowrishankar. 1996. Effects of H-NS and potassium glutamate on sS- and
s70-directed
transcription in vitro from osmotically regulated P1 and P2 promoters
of proU in Escherichia coli. J.
Bacteriol. 178:4176-4181. [PDF]
Saroja, G.N., and J. Gowrishankar. 1996. Roles of SpoT and FNR in NH4+-assimilation and osmoregulation in GOGAT (glutamate synthase)-deficient mutants of Escherichia coli. J. Bacteriol. 178:4105-4114. [PDF]
Manna,
D., and J. Gowrishankar. 1994.
Evidence for involvement of proteins HU and RpoS in transcription of
the
osmoresponsive proU operon in Escherichia
coli. J. Bacteriol. 176:5378‑5384. [PDF]
Asha,
H., and J. Gowrishankar. 1993.
Regulation of kdp operon expression
in Escherichia coli: evidence against
turgor as signal for transcriptional control. J. Bacteriol. 175:4528‑4537. [PDF]
Dattananda,
C.S., K. Rajkumari, and J. Gowrishankar.
1991. Multiple mechanisms contribute to osmotic inducibility of proU operon expression in Escherichia coli:
demonstration of two
osmoresponsive promoters and of a negative regulatory element within
the first
structural gene. J. Bacteriol. 173:7481‑7490. [PDF]
Gowrishankar,
J.
1989. Nucleotide
sequence of the osmoregulatory proU
operon of Escherichia coli. J.
Bacteriol. 171:1923‑1931.
Erratum. 172:1165. [PDF]
J. Gowrishankar. 1989.
Osmoregulation in Escherichia coli:
complementation analysis and gene‑protein relationships in the proU locus. J. Bacteriol. 171:1915‑1922. [PDF]
Gowrishankar,
J., P.
Jayashree,
and K. Rajkumari. 1986. Molecular cloning of an osmoregulatory locus in
Escherichia coli: increased proU gene
dosage results in enhanced
osmotolerance. J. Bacteriol. 168:1197‑1204.
[PDF]
Gowrishankar,
J.
1986. proP‑mediated proline transport
also plays a role in Escherichia coli
osmoregulation. J. Bacteriol. 166:331‑333.
[PDF]
Gowrishankar,
J.
1985.
Identification of osmoresponsive genes in Escherichia
coli: evidence for participation of potassium and proline transport
systems
in osmoregulation. J. Bacteriol. 164:434‑445.
[PDF]
Pittard,
J., J. Praszkier, A. Certoma, G. Eggertsson, J.
Gowrishankar, G. Narasaiah, and M.J. Whipp. 1990. Evidence that
there are only two tRNAPhe genes in Escherichia
coli. J. Bacteriol. 172:6077‑6083. [PDF]
Gowrishankar,
J.,
and J. Pittard.
1982. Molecular cloning of pheR in Escherichia
coli K‑12. J.
Bacteriol. 152:1‑6. [PDF]
Gowrishankar,
J.,
and J. Pittard.
1982. Regulation of phenylalanine biosynthesis in Escherichia
coli K‑12: control of transcription of the pheA
operon. J. Bacteriol. 150:1130‑1137. [PDF]
Gowrishankar,
J., and
J. Pittard.
1982. Construction from Mu d1(lac Apr)
lysogens of lambda bacteriophage bearing promoter‑lac
fusions: isolation of l ppheA‑lac. J. Bacteriol. 150:1122‑1129.
[PDF]
Other Publications
Dramatically
novel ideas. Curr. Sci. (2004) 87:
552. [PDF]
Book
reviews of "Molecular epidemiology of
bacterial infectious disease in an age of rapid DNA sequencing and the
Internet" (by B.G. Spratt) and
"Phage therapy: bacteriophage as natural, self-replicating and
self-limiting antibiotics" (by
E. Kutter). J. Genetics (2001) 80:
117-118. [PDF]
Sprucing up one's impact factor.
(Correspondence). Nature (1999) 401:321-322.
(coauthor : P. Divakar).
[PDF]
Journal
impact factors for the individual
scientist: an unnecessary evil. (Commentary). Curr. Sci.
(1999) 76:
1424-1425. [HTML]
Dogs
wagged by bureaucratic tails (Letter). Curr. Sci.
(1998) 75: 750-751. [PDF]
Patents
on life forms: the case for. (Opinion).
Curr. Sci. (1998) 74:727-729. [PDF]
Book
review of "Plagues: their origin,
history and future" (by C.
Wills). Curr. Sci. (1996) 71:807-808.
`Gene
hunting' in India. (Correspondence). Nature (1996) 380: 664. [PDF]
Page
charges and third-world scientists.
(Letter). ASM News (1994) 60: 5. [PDF]
What
should India be doing in the human genome? (Opinion). Curr.
Sci. (1993) 64: 705. [PDF]
Curr. Sci.
(1990) 59: 7. [PDF]
Plant
breeding and molecular biology: whither shall the twain meet?
(Meeting report). Curr. Sci. (1990) 59:
301-302. [PDF]
Patents
Gowrishankar,
J., P.
Bhandari, and K. Rajkumari
(Inventors). Process for producing polypeptides. United States Patent
5830690,
issued 3 Nov 1998; Japan Patent 3375830, registered 29 Nov 2002;^
European
Patent application 0729934 A1. Licensed to Life Technologies Inc., USA.
Focus
(1999) 21: 49-51. [PDF]
Dr. Gowrishankar