Kaomud Tyagi

Kaomud Tyagi
Zoological Survey of India | ZSI · Centre of DNA Taxonomy, Molecular systematics Division

PhD Delhi University, Delhi

About

219
Publications
42,003
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1,416
Citations
Introduction
Molecular systematics and Phylogeny, Comparative mitogenomics, environmental metagenomics
Additional affiliations
January 2016 - January 2016
Zoological Survey of India
Position
  • PostDoc Position
November 2005 - March 2012
National Bureau of Agricultural Insect Resources
Position
  • Research Associate

Publications

Publications (219)
Article
A revised key to 52 species of the genus Thrips recorded from India is provided, including two species from Nepal [Thrips meridionalis (Priesner) and Thrips tectus (zur Strassen)] and three new species: Thrips apricus sp. nov. from West Bengal, Thrips hemkundensis sp. nov. from Uttarakhand, and Thrips roseae sp. nov. from Himachal Pradesh. Thrips s...
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The present study collected wastewater samples from fourteen (14) full-scale wastewater treatment plants (WWTPs) at different treatment stages, namely, primary, secondary, and tertiary, to understand the impact of WWTP processes on the bacterial community structure, their role, and their correlation with environmental variables (water quality param...
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Background Frankliniella schultzei (Trybom) is a serious pest and a carrier of tospoviruses in major agricultural crops. This species is a historical and unresolved species complex that contains genetically different cryptic species across the globe. Methods and results DNA barcodes were generated from freshly collected specimens of F. schultzei f...
Preprint
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The common house sparrow, Passer domesticus is a small bird belonging to the family Passeridae. Here, we provide high-quality whole genome sequence data along with assembly for the house sparrow. The final genome assembly was made using Shovill/SPAdes/MASURCA/BUSCO which consisted of contigs spanning 268193 bases coalescing 922 MB. We employed rigo...
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Complete mitochondrial genome of two species of subfamily Panchaetothripinae, Astrothrips tumiceps (16,467 bp) and Monilothrips kempi (14,773 bp) are generated by Next-Generation Sequencing Method. In this study, the detailed annotation of these mitogenomes as well as comparative analyses are carried out to explore the codon usage, gene composition...
Article
Ceraphron initium sp. nov. is described and illustrated from Nagaland state of India based on male specimens. The genitalia of this new species is studied and compared with the closely related species C. semira Salden & Peters and C. thompsoni (Dalla Torre).
Article
Thrips wedeliae (Priesner) was originally described based on a single female from Java, Indonesia. Recently, we have collected males and females of this species from Solanum mauritianum in Uttarakhand state, India. Here, males of T. wedeliae are diagnosed for the first time, along with the first record of this species from India. Due to the additio...
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Insect mitochondrial genomes (mitogenomes) are usually represented by a conserved gene order. Whiteflies exhibit gene rearrangement in their mitogenomes; however, understanding how nucleotide substitution rates shape gene rearrangement in whiteflies is unclear due to the limited number of mitogenomes. Additionally, the mechanisms by which selection...
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High-altitude mammals are often subject to specific environmental obstacles, which exert selective pressure on their physiological and morphological traits, hence driving their evolutionary processes. It is anticipated that these circumstances will lead to the adaptive evolution of protein-coding genes (PCGs) in the mitochondrial genome, which play...
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Several field surveys have been conducted in the Jammu & Kashmir, Union territory of India, from 2019-2022. Eight thrips species: Aeolothrips intermedius Bagnall, Anaphothrips sudanensis Trybom, Astrothrips tumiceps Karny, Bathrips melanicornis (Shumsher), Ernothrips lobatus (Bhatti), Neohydatothrips samayunkur Kudô, Scirtothrips oligochaetus (Karn...
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Knowledge regarding the tick species diversity and its geographical distribution in the Indian subcontinent, including West Bengal state is pretty scarce. Owning to its veterinary and medical importance, detailed morphological studies on tick species is the need of the hour. During a recent survey (2022) undertaken in West Bengal, 16 specimens of s...
Preprint
Full-text available
The common house sparrow, Passer domesticus is a small bird belonging to Passeridae. We provide here a high-quality whole genome sequencing and assembly for the house sparrow, The final genome assembly was made using a Shovill/SPAdes which consisted of contigs spanning 268193 bases. We employed rigorous statistical thresholds to check the coverage...
Article
Thrips belong to the order Thysanoptera and are known for their diverse feeding habitats from leaf feeders to fungal spore feeders. Till now, Odisha state was poorly surveyed and known by 35 species of order Thysanoptera including two species of subfamily Idolothripinae. Further, to explore the thrips diversity especially the members of the Idoloth...
Article
Frankliniella genus-group is one of the most important group in the sub-family Thripinae comprising, more than 270 species in nine genera. A morphological-based cladistic analysis of genus-level relationships within this group was performed, based on 54 morphological character states for 26 species, including Thrips physapus as an outgroup. This an...
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Background Tabanidae (Horse-Flies or Deer-Flies) are one of the most economically important as well as medically significant haematophagous insect family within the order Diptera. Members of this group are also responsible for the mortality of substantial number of live-stock every year. Due to their pathogen transmission potential and vector compe...
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Two species of family Thripidae, Hydatothrips onari Kudô, 1997 from subfamily Sericothripinae and Thrips alius Palmer, 1992 from subfamily Thripinae are collected on Guizotia abssinica and general vegetation respectively for the first time from India after their original description. Due to the addition of these two species in the Indian fauna, the...
Preprint
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The South East Asian thrips, Thrips parvispinus (Karny) (Thripidae: Thysanoptera) was witnessed for the first time infesting onion ( Allium cepa ) crop in Haryana, India. This invasive pest is a looming to agricultural crops in the country owing to expanding host range over the time. The occurrence of Thrips parvispinus on economically important ve...
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Thrips parvispinus is a serious sucking pest on a number of economically important crops in the oriental region. It has gained importance recently for its drastic range extension distribution as an invasive pest. Here, the complete mitochondrial genome (15,067 bp) of Thrips parvispinus was sequenced and characterized. It possesses 37 genes and the...
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Thrips, tiny to medium sized insects with fringed wings are economically important due to their pestiferous and predatory behaviour. They have a wide range of feeding habitats i.e. leaf feeders, to flower, spore, and fungus feeders. Here, we comprehensively characterized the gut bacteria of nine thrips species collected from two geographical areas...
Article
Jammuthrips paikulensis gen. et sp. n. is described from Jammu & Kashmir, Union territory of India and the morphological relationships among the closely related genera of subfamily Dendrothripinae are discussed. Key to Indian genera of subfamily Dendrothripinae is provided. Two DNA barcodes of new species were generated and submitted to The Barcode...
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Five females of Evarcha flavocincta were collected from Odisha state of India, confirming the distribution of the species in India. The paper represents detailed morphological and genitalia description of the species along with checklist of the genus Evarcha Simon, 1902.
Article
Psephenothrips uttarakhandensis sp. n. is described and illustrated from India. Also, Neohydatothrips xestosternitus (Han & Cui) is newly recorded from India. The DNA barcode data using partial mitochondrial cytochrome c oxidase subunit I (mtCOI) from the holotype of the new species and one sequence of Neohydatothrips xestosternitus were generated...
Article
Due to environmental performance, biogas (biomethane) and natural gas (methane) are at the center of attention among renewable fuels due to environmental performance. Gas fuels have significant environmental advantages over traditional petroleum-based fuels or fossil fuels. Adsorption technology for methane adsorption, storage, and transportation (...
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The subterranean, mandibulate termite genus Amitermes Silvestri (Blattodea: Isoptera: Termitidae) is hitherto known from India by only two species, Amitermes belli Desneux and Amitermes baluchistanicus Akhtar. This paper describes a new species Amitermes kavarattiensis Rituparna, Rajmohana & Amina sp. nov. collected from the Lakshadweep Islands, In...
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Background The metazoan mitogenomes usually display conserved gene arrangement while thrips are known for their extensive gene rearrangement, and duplication of the control region. Methods and result We sequenced complete mitogenomes of eight species of thrips to determine the gene arrangement, phylogeny and divergence time estimation. All contain...
Article
Due to rapidly deteriorating water resources, the world is looking forward to a sustainable alternative for the remediation of noxious pollutants such as heavy metals and organic and gaseous contaminants. To address this global issue of environmental pollution, nanoporous carbon materials (NPCMs) can be used as a one-stop solution. They are widely...
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Background Mitochondrial genome rearrangements have been used for defining evolutionary relationships, but there have been incidences of convergences at different taxonomic levels. To gain new insights into whitefly mitogenome evolution, gene arrangement and phylogeny, we sequenced the complete mitogenome of Aleurodicus rugioperculatus (Aleyrodidae...
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The genetic information (mtCytb) of wide-spread Mock Viper, Psammodynastes pulverulentus is restricted to China and Myanmar. We collected the live individual of P. pulverulentus from Mizoram state in northeast India and generate the partial mtCytb data to affirm the morphology-based species identification. The generated DNA data showed 94.67% sim...
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The Nicobar treeshrew (Tupaia nicobarica) is an endangered small mammal endemic to the Nicobar Island of the Andaman Sea, India regarded as an alternative experimental animal model in biomedical research. The present study aimed to assemble the first mitochondrial genome of T. nicobarica to elucidate its phylogenetic position with respect to other...
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Mining is a significant part of the transforming economy, which is generally considered as essential as well as social evil at the same time. It is one of the potential contributors to air and water pollution and possesses long-term impact on their quality. Keeping in view the exponential mining activities, we have selected an iron mine area in Bai...
Article
During 2018–2020, several field surveys have been conducted to collect thrips in different parts of India. Five thrips species: Dolichothrips reuteri (Karny), Hydatothrips haschemi Girault, Litotetothrips pasaniae Kurosawa, Mesothrips annamensis Priesner, and Stenchaetothrips bambusicola Mound have been identified as new to Indian subcontinent.
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Water pollution is a global issue and researchers as well as policy makers are coming up with new approaches and mitigation techniques to provide remediate the water pollution. The present chapter provides a general overview of the sustainable materials for sensing and remediation of noxious inorganic and organic impurities. The characteristic prop...
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The complete mitogenome sequence of the Great Frigatebird, Fregata minor was sequenced for the first time in this study. The mitogenome (16,899 bp) comprises of 13 protein-coding genes (PCGs), two ribosomal RNA (rRNA) genes, and 22 transfer RNA (tRNA) genes, and a control region (CR). The mitogenome was AT-rich (55.60%) with 11 overlapping and 18 i...
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The mitogenome (17,388 bp) of the Nicobar shrew, Crocidura nicobarica was determined in the present study. The mitogenome comprises 13 PCGs (11,427 bp), 22 tRNAs (1507 bp), two rRNAs (2538 bp), and a major non-coding control region (1932 bp). The Maximum Likelihood phylogeny clearly discriminates all the studied Crocidura species with high bootstra...
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Gut bacteria play a crucial role in the several metabolic activity of the insects, in the present work effort has been made to decipher the gut microbiota associated with the developmental stages of G. uzeli a gall inducing thrips along with their predicted functional role. Further, an effort has been made to correlate the bacterial communities wit...
Article
Mycterothrips nainiae sp. n. (Thripinae) is described and illustrated from India, and one genus and species, Paithrips circularis Nonaka and Jangvitaya, is newly recorded from India. A key to species of Mycterothrips from India is also provided. The DNA barcode data using partial mitochondrial cytochrome c oxidase subunit I (mtCOI) from the holotyp...
Article
Full-text available
The Kotumsar cave is situated in the Eastern Ghats and has been reported by the existence of 14 different organisms morphologically. To reassess the living taxa and hitherto unreported organisms, intervention of molecular tool is required to corroborate the exact faunal diversity. In the present study, we dealt with the environmental samples and op...
Article
The Kotumsar cave is situated in the Eastern Ghats and has been reported by the existence of 14 different organisms morphologically. To reassess the living taxa and hitherto unreported organisms, intervention of molecular tool is required to corroborate the exact faunal diversity. In the present study, we dealt with the environmental samples and op...
Preprint
Full-text available
Mitochondrial genome rearrangements have been used for defining historical relationships, but there have been incidences of convergences at different taxonomic levels. Here, we sequenced complete mitogenome of Aleurodicus rugioperculatus (Aleyrodidae: Aleurodicinae) to examine gene rearrangements and phylogenetic relationships within the family Ale...
Preprint
Full-text available
The Nicobar treeshrew ( Tupaia nicobarica ) is an endangered smaller mammal endemic to the Nicobar Island of the Andaman Sea, India regarded as an alternative experimental animal model in biomedical research. The present study aimed to assemble the first mitochondrial genome of T. nicobarica to elucidate evolutionary relationship. The structure and...
Article
Full-text available
Here, we have generated the complete mitochondrial sequence of Aeolothrips indicus Bhatti, 1964. So far, this is the first largest mitogenome with 17,042 bp length in order Thysanoptera. It includes 13 protein-coding genes, 22 transfer RNA genes, and two ribosomal RNA genes along with three non-coding regions. AT composition of A. indicus is 72.5%...
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Spiders being one of the most diverse group in phylum arthropod are of great importance due to their role as predators, silk producer, and in medicinal applications. Spiders in prey–predator relationships play a crucial role in balancing the food-chain of any ecosystem; therefore it is essential to characterize the gut microbiota of spiders collect...
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In this study, we sequenced complete mitogenome of Taeniothrips tigris Bhatti 1995. It was 15,501 bp in length containing 13 protein-coding genes, 22 transfer RNA genes, and 2 ribosomal RNA genes along with two non-coding regions. The overall base composition of Ta. tigris is 43.66% A, 35.20% T, 11.46% C, and 9.68% G, with a high AT bias of 78.86%....
Article
Thomisus granulifrons Simon 1906 is recorded from the Indian state of Odisha. The species is reported after 113 years since its original description. Diagnostic characters and photographs are provided along with the distribution map.
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The aim of this paper is to redescribe Lycosa bistriata Gravely, 1924 based on collected specimens from Odisha and material studied from Zoological Survey of India, Kolkata.
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In the present study, an effort has been made to elucidate the gut bacterial diversity of twelve species of the family Araneidae under three subfamilies collected from 5 states of India along with their predicted metabolic role in functional metabolism. Further, we also compared the host species phylogeny based on partial cytochrome c oxidase subun...
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The Pegu Rice Frog, Microhyla berdmorei is distributed across ten Asian countries. However, the DNA barcoding information (COI gene) is restricted to only Southeast Asian countries. Here, we sampled a specimen of M. berdmorei in Mizoram state, northeast India to allow the genetic diversity of the species across its range. We generated both COI and...
Article
Six species of order Thysanoptera, Bamboosiella semiflava Okajima, Praepodothrips causiapeltus Reyes, Podothrips ferrugineus Okajima, under family Phaleothripidae and Copidothrips octarticulatus (Schmutz), Neohydatothrips masrensis (Priesner), Scirtothrips hitam Ng, Mound & Azidah under family Thripidae are recorded new to India. The diagnostic cha...
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Bacterial community structure is one of the essential components of aquaculture dynamics and plays an important role in maintaining wetland health. The present work is an effort to study the structure of bacterial communities in the world’s largest sewage-fed fish farms, the East Kolkata Wetlands (EKWs), along with their predicted functional metabo...
Article
The bacterial diversity in terms of structure and community profile, with special reference to water quality in the wastewater treatment plant of Indian paper industries, is poorly understood. In the present work, characterization of bacterial diversity using 16S (V3-V4 region) rRNA gene amplicon sequencing data with reference to physicochemical pa...
Article
Oneilliella shivii sp.n. (Panchaetothripinae) is described from India as the second species in this genus. Trachynotothrips brevispinis and T. striatus (Thripinae) are newly recorded from India, and the first description provided of the female of T. brevispinis. Partial sequence data of mitochondrial cytochrome c oxidase (mtCOI) of these species we...
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Full-text available
The complete mitogenome sequence of the brown-headed gull, Chroicocephalus brunnicephalus was determined in this study. The 16,771 bp genome consists of 13 protein-coding genes (PCGs), two ribosomal RNA (rRNA) genes, and 22 transfer RNA (tRNA) genes, and a control region (CR). The decoded mitogenome was AT-rich (54.77%) with nine overlapping and 17...
Chapter
A total of 212 species in 112 genera of thrips are documented from the Western Ghats Biogeographic Zone (Malabar plains: 5A; Western Ghats 5B) for the first time. The checklist comprises of valid species names and their distribution from the studied area.
Article
Full-text available
The gut microbiomes of insects were known to have great impact on their physiological properties for survival like nutrition, behavior, and health. In nature, spiders are one of the main predators of insects, and yet their gut microbiomes remain unclear. It is important to explore the gut microbiomes of spiders in the wild to gain an insight on the...
Article
Both biotic and abiotic factors recently constitute a spectacular threat to the freshwater turtles throughout the world including northeast India. However, the high rate of exploitation is meagerly estimated and intervention of scientific approaches is poorly adopted for their proper conservation. The present study examined the commercialized turtl...
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In the context of Indian zoogeography, the DNA barcode data of short-horned grasshoppers (family Acrididae) are limited in global databases. Hence, the present study was aimed to collect selected Acridid species from the Indian Himalayan regions and generate DNA barcode data to enrich the global database. The estimated K2P genetic distances, Bayesi...