Szabolcs Semsey (Niels Bohr Institute, Copenhagen)
Oct 2016
During his visit to the SImons Centre in Oct 2016, Szabolcs Semsey will continue his collaboration with Aswin Seshasayee and Sandeep Krishna on phage-bacteria interactions and the dynamics of restriction-modification systems as bacterial defences to phage. In addition, he and Sandeep Krishna, along with Sandeep's student Akshit Goyal, have been working on mathematical models of assembly of microbial communities and will use this opportunity to explore these models further. Szabolcs will also give a talk at the meeting on Conflict and Cooperation in Cellular Populations. All of these activities fit squarely within the Simons Centre theme of Cellular Communities.
Vishwesh Guttal ( Indian Institute of Science, Bangalore)
Jun 2016 to Aug 2016

Dr. Vishwesh Guttal is a faculty member of the Centre for Ecological Sciences, Indian Institute of Science, Bangalore. He works on self-organization, emergent patterns and spatiotemporal dynamics in the ecological world, from flocks of birds and swarming insects to striking spatial patterns of vegetation. As a Simons visitor he will interact with, in particular, Sandeep Krishna and Shashi Thutupali on studying collective behaviour empirically, especially on testing experimentally results of evolutionary dynamic models. Apart from these, he will also interact with other theorists, like Mukund Thattai and Madan Rao, as well as research labs of the Ecology and Evolution group at NCBS.

Garud Iyengar (Columbia University)
Jul 2016

Dr. Iyengar is a long-standing Simons Visitor. His area of interest is information theory. During his visit he interacted with all faculty members of the Centre as well as with multiple Fellows and postdoctoral researchers. Most recently he is exploring the free energy costs of the dynamics and memory of physical sensors processing information. The living cell uses a variety of molecular receptors and signaling networks to read and process chemical signals. Dr. Iyengar is interested in establishing exact lower bounds, in terms of mutual information, for bimolecular information processing.

Bo Cheng ( Pennsylvania State University)
Jun 2016

 Dr. Bo Cheng works on flight biomechanics in biological and robotic insects. He came to interact with members of the Simons Centre, as well as with our experimental colleague Sanjay Sane who studies insect flight. In particular, Dr. Cheng is interested in understanding the coupling of insect halteres and wings, and its potential role in flight stabilization. During his visit, he also gave a Simons Seminar open to the campuson 15th June, 2016.

Ichizo Kobayashi (University of Tokyo)
Apr 2016 to May 2016

Ichizo Kobayashi is a distinguished professor at the University of Tokyo. His primary research interest lies in restriction-modification systems in bacteria. In 1995 he showed that restriction-modification systems in bacteria are selfish, addiction modules. He has also made major contributions to the functioning of bacterial DNA repair systems. His current interest is in the evolution of restriction-modification systems. This fits very well with the interests of Aswin Seshasayee and Sandeep Krishna who have published recently on restriction-modification systems, and would like to collaborate with Prof. Kobayashi on experiments and modelling studies of the evolution of these systems. At NCBS Prof. Kobayashi would also be interested in interacting with P. Shivaprasad to develop new research projects to study the similarities and differences in epigenetics-mediated adaptive evolution in plants vs bacteria.

Mogens Jensen (Niels Bohr Institute, Copenhagen)
Jan 2016

Prof. Jensen is a long-standing collaborator of Sandeep Krishna. During this visit they continued their collaborative work on oscillations and entrainment phenomena in biology. In particular, they kick started the theoretical work for a new collaboration with the experimental lab of Savas Tay (ETH, Zurich) studying entrainment, Arnold tongues and stochastic mode-hopping in the NF-kB system.

Sandeep Ameta (École Supérieure de Physique et de Chimie Industrielles, Paris)
Jan 2016

The purpose of this visit was to formulate an Indo-France CEFIPRA grant proposal involving the groups of Sandeep Krishna (NCBS, Bangalore), Andrew Griffiths (Prof. and Head of the Laboratoire de Biochimie at École Supérieure de Physique et de Chimie Industrielles, Paris), and Philippe Nghe (Assistant Prof. at the Laboratoire de Biochimie at École Supérieure de Physique et de Chimie Industrielles, Paris). The proposal was for a research project studying the evolution of complex auto-catalytic RNA chemistries. The project combines the theoretical skills of Sandeep Krishna with the experimental Azoarcus Ribozyme system developed in the Laboratoire de Biochimie. The grant was duly submitted, and the result is expected by Dec 2015.

Szabolcs Semsey (Niels Bohr Institute, Copenhagen)
Nov 2015 to Dec 2015

Dr. Semsey is a a long-standing collaborator of Sandeep Krishna. During this visit he continued collaborative work studying the dynamics of gene regulatory networks and feedback processes in bacterial metabolism

Ashutosh Gupta (Tata Institute of Fundamental Research)
Nov 2015 to Dec 2015

Dr. Gupta is interested in information processing in biological systems. During his visit he interacted with multiple faculty on areas of common interest, particularly the applications of computer science to cellular issues.

Ranjith Padinhateeri ( Indian Institute of Technology Bombay)
Dec 2015

Dr. Padinhateeriis interested in the application of nonequilibrium approaches to study cellular processes. He interacted with Madan Rao and others, on areas of common interest including. In particular, during his visit he made progress on a theory to explain the unusual mechanical properties of a column of branched actin

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