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Dietary complementation by wild birds: Considerations for field studies
Springer Science and Business Media LLC - Tập 19 - Trang 355-368 - 1994
Free-living birds must satisfy fluctuating nutrient requirements in diverse and
varying environments. Ingesting nutritionally complementary foods may be the
most effective means by which wild birds match nutrient ingestion and nutrient
needs. Dietary complementation may occur fortuitously when foods chosen in
response to non-nutritive factors (e.g. competition, predation risk, food
colour), or on ...
Construction, electroporatic transfer and expression of ZpβypGH and ZpβrtGH in zebrafish
Springer Science and Business Media LLC - Tập 23 - Trang 565-576 - 1998
Recombinant transformation vectors (ZPβypGH and ZpβrtGH) consisting of fish
growth hormone cDNA, and a reporter geneβ-galactosidase driven by fish promoter
(Zp) were constructed. Freshly fertilized eggs of zebrafish (Brachydanio rerio)
were electroporated at optimum conditions (0.07 kV voltage; 25 μF capacitance; 8
ohm resistance and 2 pulses) in the presence of one of these transformation
vectors...
Psychrophiles: A journey of hope
Springer Science and Business Media LLC - Tập 46 - Trang 1-15 - 2021
Psychrophiles are organisms living in extremely cold conditions within the
temperature range of −20°C to + 10°C. These organisms survive in harsh
environment by modulating their genetic make-up to thrive in extremely cold
conditions. These cold-adaptations are closely associated with changes in the
life forms, gene expression, and proteins, enzymes, lipids, etc. This review
gives a brief descripti...
Ventilation rates indicate stress-coping styles in Nile tilapia
Springer Science and Business Media LLC - Tập 36 - Trang 851-855 - 2011
Behavioural responses to stress can form distinct profiles in a wide range of
animals: proactive and reactive profiles or coping styles. Stress responsiveness
can also differentiate between the behavioural profiles. The tendency to regain
feed intake following transfer to a novel social-isolation tank (the speed of
acclimation) can discriminate between proactive or reactive profiles.
Consequently,...
SARS-CoV-2 genomics: An Indian perspective on sequencing viral variants
Springer Science and Business Media LLC - Tập 46 - Trang 1-14 - 2021
Since its emergence as a pneumonia-like outbreak in the Chinese city of Wuhan in
late 2019, the novel coronavirus disease COVID-19 has spread widely to become a
global pandemic. The first case of COVID-19 in India was reported on 30 January
2020 and since then it has affected more than ten million people and resulted in
around 150,000 deaths in the country. Over time, the viral genome has
accumula...
Microalgae respond differently to nitrogen availability during culturing
Springer Science and Business Media LLC - Tập 40 - Trang 365-374 - 2015
Variations in the exogenous nitrogen level are known to significantly affect the
physiological status and metabolism of microalgae. However, responses of red,
green and yellow-green algae to nitrogen (N) availability have not been compared
yet. Porphyridium cruentum, Scenedesmus incrassatulus and Trachydiscus minutus
were cultured in the absence of N in the medium and subsequent resupply of N to
t...
Ascribing functions to the lamin B receptor
Springer Science and Business Media LLC - Tập 24 - Trang 401-408 - 1999
This article reviews the research on the inner nuclear membrane protein lamin B
receptor (LBR). It focuses on the biochemical and immunological evidence for an
LBR; the cloning of chicken, rat and human LBR cDNAs and genomic sequences; the
lamin B-, chromatin-, DNA- and NLS-binding properties of the N-terminal domain
and its phosphorylation by different kinases; the sterol C-14 reductase activity
...
Historic migration to South Asia in the last two millennia: A case of Jewish and Parsi populations
Springer Science and Business Media LLC - Tập 44 - Trang 1-8 - 2019
The South Asian populations have a mosaic of ancestries likely due to the
interactions of long-term populations of the landmass and those of East and West
Eurasia. Apart from prehistoric dispersals, there are some known population
movements to India. In this study, we focussed on the migration of Jewish and
Parsi populations on temporal and spatial scales. The existence of Jewish and
Parsi communi...
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