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Biological Invasion of Medically Important Bladder Snail Physella acuta Draparnaud, 1805 (Gastropoda, Physidae) in the Freshwater Habitat of Kerala, India
Springer Science and Business Media LLC - Tập 75 - Trang 200-207 - 2021
The acute bladder snail, Physella acuta (Draparnaud 1805) is globally considered as a highly invasive snail and it is synonymised to Physa acuta. This species is host to many trematodes causing foodborne diseases in humans. In the present study, P. acuta is recorded for the first time from Kerala state with its first mitochondrial DNA cytochrome c oxidase subunit I gene sequence from India. Twenty......
Polyphenolics and Energy Content in Phytoplankton: Evidence from a Freshwater Lake
Springer Science and Business Media LLC - Tập 67 - Trang 18-27 - 2013
Investigation was carried out in the ancient man-made, shallow, freshwater lake, Lake Krishnasayer, at Burdwan (23°16′N, 87°54′E), India, to note the variations in physico-chemical parameters, nutrients, phytoplankton communities, concentration of phenols and energy content in phytoplanktons during January–December 2006. The lake was represented by 16, 15, 2 and 17 genera of Cyanophyceae, Chloroph......
Ischiodorylaimus istvani, A New Dorylaimid Species (Nematoda) from India with Revised Key to the Species Under Genus Ischiodorylaimus Andrássy, 1969
Springer Science and Business Media LLC - Tập 64 - Trang 40-45 - 2011
One new limnetic nematode species Ischiodorylaimus istvani sp. n. belonging to the genus Ischiodorylaimus Andrássy, 1969 described here was collected from the rhizospheric soil of pumpkin (Cucurbita pepo L.) from the district North 24-Paganas, West Bengal, India. The present species is medium in size (♀: 4.7–4.8 mm; ♂: 4.2 mm). Cardia tongue-shaped. Vagina obliquely placed, enclosed in a thick mus......
Metyrapone, a corticoid inhibitor, induces inverse changes in pineal and adrenal karyomorphology, dynamics and function in mice (Mus musculus)
Springer Science and Business Media LLC - Tập 63 - Trang 99-107 - 2010
The relationship between pineal and adrenocortical cell morphology, dynamics and function awaits in depth investigation in mammals. In particular, any studies relating these two glands in response to potent adrenocorticoid inhibitor inducing changes in their functional and hormonal relationship appear to be absent. In our present study, we have attempted to investigate the pineal gland and adrenoc......
Mites associated with insects of Agri-horticultural importance
Springer Science and Business Media LLC - Tập 63 - Trang 67-71 - 2010
The present note reports for the first time in West Bengal the occurrence of 27 species of mites under 26 genera, 16 families and three orders collected from 25 species of insects. Out of those, 5 are predators, 13 are parasites and remaining 9 are phoretic in habits. A majority of the mites appeared to be unknown species and their descriptions and illustrations will be published elsewhere after c......
Seasonal histophysiological study of the pineal gland in relation to gonadal and adrenal gland activities in adult domestic pigeon, Columba livia Gmelin
Springer Science and Business Media LLC - Tập 62 - Trang 13-22 - 2009
Some aspects of physiology related to the pineal gland in the adult male domestic pigeon, Columba livia Gmelin have been investigated. It was also correlated with the activity of the gonadal and adrenal glands by changing environmental conditions (e.g., seasonal photoperiods, temperature, humidity and rainfall). The maximum daily temperature was noticed in April and minimum in January, 2003. Pinea......
Thought of Alternate Aquafeed: Conundrum in Aquaculture Sustainability?
Springer Science and Business Media LLC - Tập 74 - Trang 1-18 - 2020
The exponential growth of human population and their ever-increasing demands have challenged the aquaculture sector with respect to its growth, sustainability and environmental well-being. Due to the rapid intensification, aquaculture’s share of global fishmeal and fish oil consumption has more than doubled over the past decade with limited availability and high prices. Hence, the key concern of a......
Amino Acid Excretion in Isoparorchis hypselobagri (Billet, 1898)
Springer Science and Business Media LLC - Tập 64 - Trang 128-131 - 2011
The amount of excretion of amino acid is lower when the flukes are kept in vitro in the incubation media without glucose (control) than in the incubation media with glucose. The amount of excreted amino acid shows highly significant values than that of control in vitro condition. In the swim bladder washings of host Wallago attu amino acids are also present in significant amounts. Tyrosine, argini......
Shivendu K. Srivastava: Commercial Use of Biodiversity: Resolving the Access and Benefit Sharing Issues
Springer Science and Business Media LLC - Tập 70 - Trang 206-206 - 2017
Polysaccharides as Constituents in Chromosome Organization: A Study on Meiotic Chromosomes of Grasshopper and Polytene Chromosomes of Dipterous Flies
Springer Science and Business Media LLC - Tập 69 - Trang 67-74 - 2014
Study on meiotic chromosomes of grasshopper, Gesonula punctifrons and interphase polytene chromosomes from Dipteran larvae as of Chironomus striatipennis and Drosophila melanogaster following staining by periodic acid-Schiff technique revealed that chromosomes contained polysaccharides as an integral part of their organization. PAS +ve nature of the chromosomes both at highly condensed state as av......
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