Sahana Kuthyar

ORCID: 0000-0001-5037-1692
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About
Contact & Profiles
Research Areas
  • Gut microbiota and health
  • Primate Behavior and Ecology
  • Clostridium difficile and Clostridium perfringens research
  • Dermatology and Skin Diseases
  • Diet and metabolism studies
  • Human-Animal Interaction Studies
  • Animal Behavior and Welfare Studies
  • Parasitic Infections and Diagnostics
  • Zoonotic diseases and public health
  • Dietary Effects on Health
  • Neuroendocrine regulation and behavior
  • Asthma and respiratory diseases
  • Climate Change Communication and Perception
  • Intergenerational Family Dynamics and Caregiving
  • Cannabis and Cannabinoid Research
  • Complementary and Alternative Medicine Studies
  • Religion, Society, and Development
  • Reproductive System and Pregnancy
  • Food Security and Health in Diverse Populations
  • Public Health Policies and Education
  • COVID-19 Impact on Reproduction
  • Metabolomics and Mass Spectrometry Studies
  • Allergic Rhinitis and Sensitization
  • Therapeutic Uses of Natural Elements

University of California, San Diego
2021-2024

Northwestern University
2019-2024

Emory University
2020-2021

Animal ecology and evolution have long been known to shape host physiology, but more recently, the gut microbiome has identified as a mediator between animal health. The shown differ wild domestic animals, role of these differences for remains unknown. Gut responses new genotypes local environmental change during domestication may promote specific phenotypes that are adaptive (or not) environment. Because supports immune function, understanding effects on is critical. We investigated how...

10.1111/jeb.14227 article EN Journal of Evolutionary Biology 2023-10-27

This study contributes to the sparse literature on infant skin microbiome in general, and virtually nonexistent a field setting. While research often addresses patterns at national scale, this influence of population-level factors, such as maternal socioeconomic status contact with caregivers, bacterial communities. approach strengthens our understanding how local variables microbiome, paves way for additional studies combine biological sample collection questionnaires adequately capture...

10.1128/msystems.00834-20 article EN cc-by mSystems 2020-11-02

Abstract Understanding the mechanisms by which organisms respond to environmental change is critical conservation biology. Recent research indicates that gut microbiome may mediate mammalian responses environment and can be used as a biomarker understand host ecological strategies. Here, we explore relationship between microbiome, dietary niche, potential resilience habitat alteration using two closely related, sympatric non‐human primate species: tufted gray langur ( Semnopithecus priam )...

10.1111/btp.12805 article EN Biotropica 2020-06-14

Anthropogenic activities, such as human population expansion and land-use change, create ecological overlap between humans, domesticated animals, wildlife can exacerbate the zoonotic transmission of parasites. To improve our understanding this dynamic, we employed multi-locus genotyping to conduct a cross-sectional study potential for protozoan parasite Giardia duodenalis among household associated livestock dogs, black gold howler monkeys (Alouatta caraya) in Corrientes Province Argentina....

10.1111/tbed.14220 article EN Transboundary and Emerging Diseases 2021-07-05

Abstract Gut microbial communities are shaped by a myriad of extrinsic factors, including diet and the environment. Although distinct human populations consistently exhibit different gut microbiome compositions, variation in environmental factors almost always coupled, making it difficult to disentangle their relative contributions shaping microbiota. Data from discrete animal with similar diets can help reduce confounds. Here, we assessed microbiota free-ranging captive rhesus macaques at...

10.1093/femsec/fiac098 article EN FEMS Microbiology Ecology 2022-09-01

Abstract Habitat disturbance, a common consequence of anthropogenic land use practices, creates human–animal interfaces where humans, wildlife, and domestic species can interact. These altered habitats influence host–microbe dynamics, leading to potential downstream effects on host physiology health. Here, we explored the effect ecological overlap with humans infection protozoan parasite Giardia duodenalis bacteria black gold howler monkeys ( Alouatta caraya ), key sentinel species, in...

10.1002/ece3.6910 article EN cc-by Ecology and Evolution 2020-12-12

The human gut microbiome varies between populations, largely reflecting ecological differences. One variable that is rarely considered but may contribute substantially to variation the multifaceted nature of human-animal interfaces. We present hypothesis different interactions with animals shaping globally. utilize a Health framework explore how changes in microbial exposure from interfaces shape and, turn, differential health across focusing on commensal and pathogen exposure, colonization...

10.1128/msystems.00567-21 article EN mSystems 2021-08-03

The skin, as well its microbial communities, serves the primary interface between human body and surrounding environment. In order to implement skin microbiome into biology research, there is a need explore effects of different sample collection storage methodologies, including feasibility conducting studies in field settings.We collected 99 samples from nine infants living Veracruz, Mexico using dual-tipped "dry" swab on right armpit, palm, forehead "wet" (0.15 M NaCl 0.1% Tween 20) same...

10.1002/ajhb.23584 article EN American Journal of Human Biology 2021-03-01

Abstract Objectives The gut microbiome (GM) connects physical and social environments to infant health. Since the GM affects immune system development, there is interest in understanding how infants acquire microbes from mothers other household members. Materials Methods As a part of Cebu Longitudinal Health Nutrition Survey (CLHNS), we paired fecal samples (proxy for GM) collected living Metro Cebu, Philippines at 2 weeks ( N = 39) 6 months 36) with maternal interviews about prenatal...

10.1002/ajpa.24720 article EN cc-by-nc American Journal of Physical Anthropology 2023-02-27

Abstract A central goal of biological anthropology is connecting environmental variation to differences in host physiology, biology, health, and evolution. The microbiome represents a valuable pathway for studying how environments impacts health outcomes. While there are many resources learning about methods related sample collection, laboratory analyses, genetic sequencing, fewer dedicated helping researchers navigate the dense portfolio bioinformatics statistical approaches analyzing data....

10.1002/ajpa.25020 article EN cc-by-nc-nd American Journal of Physical Anthropology 2024-09-02

Because large brains are energetically expensive, they associated with metabolic traits that facilitate energy availability across vertebrates. However, the biological underpinnings driving these not known. Given its role in regulating host metabolism disease studies, we hypothesized gut microbiome contributes to variation normal cross-vertebrate species differences metabolism, including those brain’s energetic requirements. By inoculating germ-free mice microbiota (GM) of three primate –...

10.1099/mgen.0.001322 article EN cc-by Microbial Genomics 2024-12-02

Geophagy, or the consumption of earth materials, is prevalent across primates, including humans. The main drivers this behavior are unknown. However, often consumed materials have high amounts clay, which can absorb water, bind plant secondary compounds, supplement minerals, alter gut pH, and influence microbiota. As a result, clay supplementation could range potential health applications. Yet, few studies evaluated benefits risks consumption. To begin to address knowledge gap, we describe...

10.32870/jbf.v2i4.34 article EN cc-by-nc-nd Deleted Journal 2023-01-31
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