Sharad Ramanathan
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Explore the profile of Sharad Ramanathan including associated specialties, affiliations and a list of published articles.
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Articles
33
Citations
1621
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Recent Articles
1.
Hallacy T, Yonar A, Ringstad N, Ramanathan S
bioRxiv
. 2024 Oct;
PMID: 39464156
An animal's survival hinges on its ability to integrate past information to modify future behavior. The nematode adapts its behavior based on prior experiences with pathogen exposure, transitioning from attraction...
2.
Li C, Brenner J, Boesky A, Ramanathan S, Kreiman G
bioRxiv
. 2024 Jun;
PMID: 38826332
We show that neural networks can implement reward-seeking behavior using only local predictive updates and internal noise. These networks are capable of autonomous interaction with an environment and can switch...
3.
Brissette B, Ficaro L, Li C, Jones D, Ramanathan S, Ringstad N
Sci Adv
. 2024 Mar;
10(12):eadj4387.
PMID: 38517971
Much is known about molecular mechanisms by which animals detect pathogenic microbes, but how animals sense beneficial microbes remains poorly understood. The roundworm is a microbivore that must distinguish nutritive...
4.
Agarwal K, Backler W, Bayram E, Bloom L, Boeve B, Cha J, et al.
Alzheimers Dement
. 2024 Jan;
20(3):2298-2308.
PMID: 38265159
Despite its high prevalence among dementias, Lewy body dementia (LBD) remains poorly understood with a limited, albeit growing, evidence base. The public-health burden that LBD imposes is worsened by overlapping...
5.
Fok A, Brissette B, Hallacy T, Ahamed H, Ho E, Ramanathan S, et al.
Cell Rep
. 2023 Apr;
42(5):112452.
PMID: 37119137
The nematode C. elegans uses mechanosensitive neurons to detect bacteria, which are food for worms. These neurons release dopamine to suppress foraging and promote dwelling. Through a screen of genes...
6.
Anand G, Megale H, Murphy S, Weis T, Lin Z, He Y, et al.
Cell
. 2023 Jan;
186(3):497-512.e23.
PMID: 36657443
The human embryo breaks symmetry to form the anterior-posterior axis of the body. As the embryo elongates along this axis, progenitors in the tail bud give rise to tissues that...
7.
Yaman Y, Ramanathan S
Cell
. 2023 Jan;
186(3):513-527.e19.
PMID: 36657441
Axial development of mammals involves coordinated morphogenetic events, including axial elongation, somitogenesis, and neural tube formation. To gain insight into the signals controlling the dynamics of human axial morphogenesis, we...
8.
Valcourt J, Huang R, Kundu S, Venkatasubramanian D, Kingston R, Ramanathan S
Cell Rep
. 2021 Nov;
37(6):109990.
PMID: 34758327
As pluripotent human embryonic stem cells progress toward one germ layer fate, they lose the ability to adopt alternative fates. Using a low-dimensional reaction coordinate to monitor progression toward ectoderm,...
9.
Melton S, Ramanathan S
Bioinformatics
. 2020 Jul;
37(2):202-212.
PMID: 32730566
Motivation: Recent technological advances produce a wealth of high-dimensional descriptions of biological processes, yet extracting meaningful insight and mechanistic understanding from these data remains challenging. For example, in developmental biology,...
10.
Zhang Z, Zwick S, Loew E, Grimley J, Ramanathan S
Nat Commun
. 2019 Oct;
10(1):4516.
PMID: 31586065
Morphogen signals are essential for cell fate specification during embryogenesis. Some receptors that sense these morphogens are known to localize to only the apical or basolateral membrane of polarized cell...