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Venkitesan, R.
- Studies on the Major Digestive Enzymes of a Herbivorous Fish Puntius javanicus
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1 Zoological Survey of India, M Block New Alipore, Kolkata-700053, IN
1 Zoological Survey of India, M Block New Alipore, Kolkata-700053, IN
Source
Journal of Environment and Sociobiology, Vol 5, No 2 (2008), Pagination: 227-242Abstract
An attempt has been made to characterise the distribution pattern of digestive enzymes present in the digestive tract of Puntius javanicus. Adapting suitable assay method the crude enzyme extracts obtained from all major part of the digestive tract were analysed for various carbohydrases, proteases, esterases and phosphatases. The results were analysed statistically for the significance between various enzymes as well as the regions. Detection of fairly high amount of carbohydrases in oesophagus endorse the view that the oesophagus may also have an important role in digestion. The specific activity units mean values were taken to find out the significance among the regions. It emerged that almost all the enzymes present in all the regions were highly significant except the leucine amino peptidase.Keywords
Puntius javanicus, Assay Method, Alimentary Canal, Digestive Enzymes, Carbohydrases, Proteases, Esterases, Phosphatases.
- Contribution to the knowledge on Indian Marine Molluscs : Family Conidae
Abstract Views :246 |
PDF Views:159
Authors
Affiliations
1 Zoological Survey of India, M-Block, New Alipore, Kolkata – 700053, West Bengal, IN
1 Zoological Survey of India, M-Block, New Alipore, Kolkata – 700053, West Bengal, IN
Source
Records of the Zoological Survey of India - A Journal of Indian Zoology, Vol 119, No 2 (2019), Pagination: 165-184Abstract
This study was aimed to compile the information on the diversity and distribution of Indian cone shells (Family Conidae) from the materials present in National Zoological Collections (NZC) of Zoological Survey of India (ZSI). About 93 species were known from India and a total of 76 species are reported in this study and it revealed that the species distribution is more on the Andaman and Nicobar islands (37), 12 species from Andhra Pradesh, 32 species from Tamil Nadu, 8 species each from Puducherry, Maharashtra and Lakshadweep, 5 species from Kerala and Gujarat respectively and one species each of Odisha and Karnataka. Beside above, systematic taxonomic account, nomenclature, synonymy, distinctive features and their distribution along with their current status are also discussed.Keywords
Conidae, Diversity, Distribution, Nomenclature, Systematic.Full Text
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