Publications by authors named "Ranganathan Kamalakkannan"

Article Synopsis
  • The Indian spot-billed duck (Anas poecilorhyncha) is a large, non-migratory bird whose identification is complicated by overlapping traits and hybridization with similar species.
  • This study sequenced the mitochondrial genomes of A. poecilorhyncha and the mallard duck (A. platyrhynchos) to analyze their genetic relationships, revealing conserved mitochondrial characteristics and a distinct genetic separation between Indian and Chinese populations of A. poecilorhyncha.
  • The findings highlight the importance of further phylogenetic studies on these species and the potential use of their mitochondrial genome data for species identification and understanding domestication.
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Background: Anhinga melanogaster is a carnivorous water bird native to many Asian countries. A. melanogaster is part of the Old World clade of darters.

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India ranks the second in the world in terms of its sheep population with approximately 74.26 million represented by 44 well-described breeds in addition to several non-descript populations. Genetic diversity and phylogeography of Indian sheep breeds remain poorly understood, particularly for south Indian breeds.

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The gaur is the largest extant cattle species and distributed across South and Southeast Asia. Around 85% of its current global population resides in India, however there has been a gradual decrease in the gaur population over the last two decades due to various anthropogenic activities. Mitochondrial genome is considered as an important tool for species identification and monitoring the populations of conservation concern and therefore it becomes an obligation to sequence the mitochondrial genome of Indian gaur.

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Although the gut microbiome benefits the host in several ways, how anthropogenic forces impact the gut microbiome of mammals is not yet completely known. Recent studies have noted reduced gut microbiome diversity in captive mammals due to changes in diet and living environment. However, no studies have been carried out to understand how the gut microbiome of wild mammals responds to domestication.

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Mithun (Bos frontalis) is an endangered domestic bovine species native to the hilly areas of China, Bangladesh, Myanmar, Bhutan and India. It is believed to have been domesticated from gaur around 8000 years ago. However, a few studies suggest that mithun is either an independent species or a hybrid descendant of gaur and cattle.

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In India, goats are considered to be one of the important livestock species that reinforce the rural economy. Even though India has 23 well-recognized goat breeds, the knowledge about their genetic diversity and domestication history is limited. In this study, we have analyzed the genetic diversity of 104 goats representing five different south Indian breeds using mtDNA D-loop region.

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