Vishwanath Varma
Overview
Explore the profile of Vishwanath Varma including associated specialties, affiliations and a list of published articles.
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Articles
13
Citations
71
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Recent Articles
1.
Vyas A, Varma V, Garg G, Gupta P, Trehanpati N
Iran J Immunol
. 2021 Mar;
18(1):1-12.
PMID: 33787510
Severe Acute Respiratory Syndrome (SARS) associated with SARS-CoV-2, causes a severe form of the respiratory illness known as Coronavirus Disease-19 (COVID-19). COVID-19 has emerged as a worldwide pandemic with a...
2.
Varma V, Krishna S, Srivastava M, Sharma V, Sheeba V
Biol Open
. 2019 Aug;
8(8).
PMID: 31455663
Fruit flies () eclose from their pupae mainly around dawn. The timing of eclosion is thought to confer adaptive benefits to the organisms and thus shows remarkable accuracy. However, it...
3.
Srivastava M, Varma V, Abhilash L, Sharma V, Sheeba V
J Biol Rhythms
. 2019 Apr;
34(3):231-248.
PMID: 30939971
The stability of circadian clock mechanisms under cyclic environments contributes to increased Darwinian fitness by accurately timing daily behavior and physiology. Earlier studies on biological clocks speculated that the timing...
4.
Srivastava M, James A, Varma V, Sharma V, Sheeba V
BMC Dev Biol
. 2018 Dec;
18(1):21.
PMID: 30577765
Background: Previous studies have implicated a role for circadian clocks in regulating pre-adult development of organisms. Among them two approaches are most notable: 1) use of insects whose clocks have...
5.
Shindey R, Varma V, Nikhil K, Sharma V
Chronobiol Int
. 2017 Feb;
34(5):537-550.
PMID: 28156168
Organisms are believed to have evolved circadian clocks as adaptations to deal with cyclic environmental changes, and therefore it has been hypothesized that evolution in constant environments would lead to...
6.
Shindey R, Varma V, Nikhil K, Sharma V
Naturwissenschaften
. 2016 Sep;
103(9-10):74.
PMID: 27585442
Robustness is considered to be an important feature of biological systems which may evolve when the functionality of a trait is associated with higher fitness across multiple environmental conditions. Thus,...
7.
Vartak V, Varma V, Sharma V
Naturwissenschaften
. 2015 Jan;
102(1-2):1252.
PMID: 25604736
Although polygamy is common in insects, its extent varies enormously among natural populations. Mating systems influence the evolution of reproductive traits and the difference in extent of polygamy between males...
8.
Varma V, Kannan N, Sharma V
Biol Open
. 2014 Jun;
3(7):606-13.
PMID: 24950968
Since the ability to time rhythmic behaviours in accordance with cyclic environments is likely to confer adaptive advantage to organisms, the underlying clocks are believed to be selected for stability...
9.
Varma V, Mukherjee N, Kannan N, Sharma V
J Biol Rhythms
. 2013 Dec;
28(6):380-9.
PMID: 24336416
Amplitude modulation in limit cycle models of circadian clocks has been previously formulated to explain the phenomenon of temperature compensation. These models propose that invariance of clock period (τ) with...
10.
Menon A, Varma V, Sharma V
Chronobiol Int
. 2013 Dec;
31(3):433-41.
PMID: 24328816
Fruit fly Drosophila melanogaster females display rhythmic egg-laying under 12:12 h light/dark (LD) cycles which persists with near 24 h periodicity under constant darkness (DD). We have shown previously that...