Centre for Ecological Sciences · IISc Bangaloreevobioindia.com
Evolving Phylo-LabKaranth Lab · CES · IISc
People

The lineage of the lab.

A community of evolutionary biologists, from undergraduates to postdocs, bound by curiosity about how the diversity of life came to be.

Dr. Praveen Karanth, Principal Investigator.
Principal Investigator

Dr. Praveen Karanth

Professor · Centre for Ecological Sciences, IISc

I'm a phylogenetic biologist, and I lead the Evolving Phylo-Lab at the Centre for Ecological Sciences, IISc. I use molecular phylogenies to read the deep history of life, studying genetic variation both within species (population genetics and phylogeography) and among species (phylogenetics) to address questions in ecology, evolution, behaviour and conservation.

Much of our work asks how the Indian subcontinent's geological and climatic history shaped its biodiversity. We pursue molecular systematics, biogeography, diversification, and population and conservation genetics across a range of South Asian study systems (langurs, geckos, butterflies, tarantulas and centipedes among them), combining molecular, morphological, behavioural and ecological data to delimit species, uncover cryptic diversity and trace how lineages diversify.

Courses offered
Evolutionary Biology (EC304); Advanced Methods in Molecular Phylogenetics (EC201)
Education
Postdoctoral research: Yale University (2002–2005); State University of New York at Albany (2002); University of Haifa (2000–2001)PhD in Ecology, Evolution & Behaviour, State University of New York at Albany (1994–2000)BSc in Agriculture, University of Agricultural Sciences, Bangalore (1989–1993)
Professional experience
Professor, Centre for Ecological Sciences, IISc (2018–present)Associate Professor, Centre for Ecological Sciences, IISc (2011–2018)Assistant Professor, Centre for Ecological Sciences, IISc (2005–2011)
Professional contributions

Editorial board member

Journal of Genetics (2007–2017)Frontiers of Biogeography (2021–present)Journal of Molecular Evolution (2024–present)

Professional service

Member, IUCN/SSC Primate Specialist Group (2009–2012)Organizing committee, International Biogeography Society off-year meeting, Bangalore (2017)

Resource person

School of Herpetology (2012–2015)Students Conference in Conservation Science (2013–2016)

Organizer, Workshop on Molecular Phylogenetics

Centre for Ecological Sciences, IISc (2011–2019)Mizoram University (2010, 2012)Centre for Marine Living Resources & Ecology, Kochi (2019, 2026)Centre for Cellular and Molecular Biology, Hyderabad (2023)University of Hyderabad, Hyderabad (2024)Ashoka Trust for Research in Ecology & the Environment, Bangalore (2025)Jain University, Bangalore (2026)

Graduate students

05 members
Ashika Dhimal, PhD student.

Ashika Dhimal

PhD student

Hybridization between golden langurs and capped langurs in Bhutan.

Aarthi R, PhD student.

Aarthi R

PhD student

Phylogeny, biogeography and population genetics of blindsnakes.

Madhura Agashe, PhD student.

Madhura Agashe

PhD student

Biogeographic history and diversification of Hemidactylus geckos.

Radhika Dutt, PhD student.

Radhika Dutt

PhD student

Phytogeography of the tropical pioneer genera Macaranga and Mallotus.

Master's students

01 member
Srikant Rajan, Master's student.

Srikant Rajan

Master's student

Evolution of cave-dwelling organisms in the unique cave systems of Meghalaya.

Research fellows

02 members
Abhinya P, Research fellow.

Abhinya P

Research fellow

DNA metabarcoding to understand the diet of harriers.

Aditya Pradhan, Research fellow.

Aditya Pradhan

Research fellow

The genetic basis of coat colour in golden and capped langurs.

Visiting researchers

03 members
Aswathy S, Visiting scholar.

Aswathy S

Visiting scholar

Systematics, phylogenetics and ecology of mygalomorph spiders in the southern Western Ghats.

R. Chaitanya, Visiting scholar.

R. Chaitanya

Visiting scholar

Software engineer-turned-biologist, interested in understanding how biodiversity has assembled in space and over time.

Tanisha

Visiting scholar

Alumni

Former members of the lab

Post-doctoral fellows09 members

Azhar Rashid Lone, former post-doctoral fellow.

Azhar Rashid Lone

Studied the molecular phylogenetics and population genetics of Indian earthworms (Metagynophora: Crassiclitellata), describing nine species new to science. His broader interests span the biodiversity, evolution and biogeography of annelids, particularly oligochaetes.

Shabuddin Shaik, former post-doctoral fellow.

Shabuddin Shaik

Explored India's subterranean fauna, using the obligate cave-dwelling crustacean order Bathynellacea as a model to test the Gondwanan-origin hypothesis through molecular phylogenetics. Has described around 40 novel taxa, including 25 species and five genera, from subterranean habitats.

Raja Kullayi Swamy, former post-doctoral fellow.

Raja Kullayi Swamy

Now: Chief Scientist, Dharmavana Nature Ark, Hyderabad

Worked on the taxonomy and phylogeny of the genus Phyllanthus s.l. (Phyllanthaceae) in India, resolving relationships across its constituent genera using morphology and plastid (matK) and nuclear (PHYC) markers, and using the phylogeny to interpret the group's biogeography.

Aniruddha Datta Roy, former post-doctoral fellow.

Aniruddha Datta Roy

Now: Associate Professor, NISER, Bhubaneswar

Used molecular phylogenetics to study the systematics and biogeography of the endemic skinks (Scincidae) of the Western Ghats, asking why India harbours so many endemic skink species, where they came from, and what restricts them to their habitats.

Jyotsana Dixit, former post-doctoral fellow.

Jyotsana Dixit

Now: Senior Medical Writer, SIRO Medical Writing Pvt Ltd

Investigated the Plasmodium malaria parasites of India's wild macaques: which species circulate in these populations, and how they relate phylogenetically to human malaria parasites. Earlier worked on the population structure of the malaria vector Anopheles minimus in northeast India.

Deepak Veerappan, former post-doctoral fellow.

Deepak Veerappan

Worked on the phylogeography and molecular systematics of fan-throated lizards (genus Sitana) across the dry zones of the Indian subcontinent, resolving how many species the Sitana ponticeriana complex contains, how they are related, and what limits their distributions.

Siddharthan Surveswaran, former post-doctoral fellow.

Siddharthan Surveswaran

Now: Associate Professor, University of Hyderabad

Focused on the molecular phylogenetics of the subfamily Asclepiadoideae (Apocynaceae), showing the Indian Ceropegia (lantern flowers) to be a Western Ghats radiation within which Brachystelma is nested, and studying the origin and biogeography of the tribe Ceropegieae.

K. A. Subramaniyan, former post-doctoral fellow.

K. A. Subramaniyan

Now: Scientist, ZSI, Chennai

Studied the evolution and diversification of stream-insect communities of the Western Ghats, combining systematics, community ecology and molecular phylogeny, with a focus on the endemic dragonflies and damselflies (Odonata) and the impact of riparian land use.

N. I. P. Das, former post-doctoral fellow.

N. I. P. Das

Now: Scientist, IGCAR, Kalpakkam

Worked on the evolution and diversification of Indian tarantulas, using the large burrowing Thrigmopoeinae (disjunctly distributed between the Western Ghats and northeast India) as a model to resolve their biogeography through molecular phylogenetics. Broader interests span the systematics of Indian arachnids.

Graduate students10 members

Ananya Jana, former graduate student.

Ananya Jana

Now: Senior Scientist, Computational Biology, Aganitha AI

Studied the population structure of the endemic blackbuck (Antilope cervicapra) within and between populations across India, and its implications for the species' long-term survival.

Chinta Sidharthan, former graduate student.

Chinta Sidharthan

Now: Senior Analyst and Scientific Writer, Strand Life Sciences

Explored the biogeography of India's blindsnakes (Typhlopoidea), deciphering the biogeographic origins of the four typhlopoid genera found in India and the origins of the widespread Indotyphlops braminus.

Maitreya Sil, former graduate student.

Maitreya Sil

Now: Assistant Professor, Jain University

Worked on the evolutionary origins of the apple-snail genus Pila and the biogeography of the family Viviparidae, including the role of Pleistocene glaciation in shaping viviparid phylogeography across the Indian subcontinent.

Divya B.

Studied the phytogeography of the Western Ghats from a phylogenetic perspective.

Aparna Lajmi, former graduate student.

Aparna Lajmi

Now: Assistant Professor, Gitam University, Vishakhapatnam

Studied patterns of species and morphological diversification in Hemidactylus geckos, and niche diversification across the larger tropical Asian clade.

Ishan Agarwal, former graduate student.

Ishan Agarwal

Now: Scientist, Thackeray Wildlife Foundation

Worked on the biogeography, diversification and systematics of the gecko genus Geckoella (Gekkonidae); at CES from 2008.

Sandhya Sheker, former graduate student.

Sandhya Sheker

Now: Programme Director, Mongabay

Studied dispersal in butterflies, combining meta-analysis with population-genetic work on Melanitis leda, Ypthima baldus, Heteropsis oculus and Mycalesis patnia.

Rohini Bansal, former graduate student.

Rohini Bansal

Now: Entrepreneur, Bionest UDSC

Worked on the phylogeny and biogeography of Indian Hemidactylus geckos, focusing on their colonisation history and on phylogeography in relation to human-mediated gene flow.

Jahnavi Joshi, former graduate student.

Jahnavi Joshi

Now: Associate Professor, CCMB, Hyderabad

Resolved the molecular phylogeny and biogeography of the centipede family Scolopendridae, with a focus on the phylogeographic patterns of six endemic Digitipes species.

Aritra Biswas, former graduate student.

Aritra Biswas

Now: Postdoc, Tel-Aviv University, Israel

Studied the systematics, evolution and biogeography of endemic Indian fauna, with a focus on mygalomorph spiders.

Master's students03 members

Bhuvana Prakash, former master's student.

Bhuvana Prakash

Worked on the comparative phylogeography of Hemidactylus geckos of peninsular India's dry zone, using genomics to test how differing habitat-distribution patterns of three closely related species shape their population and genetic structure.

Jeevak Shravasti, former master's student.

Jeevak Shravasti

Studied the evolution of sexual signalling in the family Agamidae, examining visual, chemical and multimodal signalling in relation to habitat openness.

Pragyadeep Roy, former master's student.

Pragyadeep Roy

Now: Pursuing a PhD at CCMB, Hyderabad

Worked on delimiting cryptic species within the Indotyphlops braminus species complex.

Undergraduate students03 members

Sharwary M R, former undergraduate student.

Sharwary M R

Now: Pursuing a PhD at UC Davis

Researched the population demography and genetic structure of Himalayan langurs across Himalayan rivers using microsatellites, examining how geographical barriers such as rivers shape the demographic history of these wide-ranging colobine primates.

Aranya Dhibar, former undergraduate student.

Aranya Dhibar

Now: Pursuing a PhD at UT Austin

A BS-MS student collecting and analysing molecular data from the Indian flying lizard (Draco dussumieri) to investigate its evolution; interests span ecology, evolution and multi-omics.

Jeet Vora, former undergraduate student.

Jeet Vora

Now: Pursuing an MS at IISc

Worked on trait-dependent dispersal and trait evolution in gekkonid lizards.

Interns02 members

Sarbajit Pathak, former intern.

Sarbajit Pathak

Studied the phylogeny and biogeography of Poecilotheria tarantulas; runs the Spooder Project documenting spiders.

Rudra Pratap Swain, former intern.

Rudra Pratap Swain

Worked on hybridisation, parthenogenesis and triploidy in Indotyphlops braminus, using karyotyping and flow cytometry.

Research staff09 members

Ekadh Ranganathan, former research staff.

Ekadh Ranganathan

Now: Pursuing an MS at Imperial College London

Worked on an independent project on divergence discordance and substitution saturation in tetrapod phylogenies.

Kunal Arekar, former research staff.

Kunal Arekar

Now: Lecturer, University of Arizona, USA

Studied the phylogenetic position and origin of the capped–golden langur lineage (testing ancient hybridization between Semnopithecus and Trachypithecus against climatic models), and resolved Himalayan langur taxonomy using morphological, ecological and molecular data from Kashmir to Bhutan.

Anjali Verma, former research staff.

Anjali Verma

Studied reptile ecology in Hemidactylus geckos, examining the morphological characters that enable adaptation to different ecological niches across cryptic Indian species.

Chetan Nag K.S., former research staff.

Chetan Nag K.S.

Now: Associate Professor, Jain University

Senior Research Fellow on a DBT project delimiting species boundaries in the Hanuman langur (Semnopithecus entellus), combining morphological, ecological and behavioural data to identify at least four distinct morphotypes in peninsular India.

Ashalakshmi C.N., former research staff.

Ashalakshmi C.N.

Now: Lecturer, CMS College Kottayam

Applied conservation genetics to a DBT-funded Hanuman langur project, using mitochondrial and nuclear markers from non-invasive DNA sources to determine species status.

Rekha Warrier, former research staff.

Rekha Warrier

Interested in the effects of habitat alteration and degradation on the genetic structure of populations; explored the phylogeography of the centipede genus Rhysida in India.

Kartik V. Rao, former research staff.

Kartik V. Rao

Now: Assistant Professor, Mount Carmel, Bangalore

Worked on the DNA barcoding of satyrine butterflies.

Manjunatha Reddy, former research staff.

Manjunatha Reddy

Identified satyrine butterflies through DNA barcodes, sequencing mitochondrial COI and nuclear markers from 31 peninsular Indian species to resolve their taxonomy and detect cryptic species.

Bhavani S., former research staff.

Bhavani S.

Looked after the lab's accounting and administration.

There's room on the tree for you.