News Update on Biology Research: May – 2019

Population biology of plants.

Population biology has developed for the most part as a zoological discipline, and for this reason a book like this that defines a science acceptable for plants is extremely welcome. during this comprehensive and literary book the author has with success tried to collate such gift information regarding plants as is also relevant to the understanding of their population biology.The first of the twenty four chapters offer a short history of the event of population theory and experimental models, and introduces a delineate model of population behaviour, that thenceforth seems throughout the book in slightly changed forms. The remaining chapters ar classified into 5 sections, the primary of which has an in depth description of seed spread, dormancy, the seed bank and therefore the nature of the environmental sieve determinant the enlisting of seed plant populations. The second and third sections concern the consequences of neighbours and predators, and comprehend intensive experimental results on the influence of population density on yield, mortality, type and copy, on interspecies competition and on the consequences of leaf, seed and fruit predation. Section four provides elaborated data on annuals, biennials, nonwoody perennials and woody plants.The final section is probably the foremost relevant to students of plant breeding and biological science, as organic process theories regarding variation in fruitful capability ar mentioned and therefore the existence of physiological and genetic potential for profound changes in life-cycle strategy is incontestable . Forces of choice acting inside plant populations ar mentioned and ecology is taken as evolution in action.Comprehensive coverage of the topic, combined with the inclusion of the many examples from the literature and helpful chapter summaries, create this a valuable reference work for each students and analysis staff. [1]

Systems Biology: A Brief Overview

To understand biology at the system level, we tend to should examine the structure and dynamics of cellular and organismic perform, instead of the characteristics of isolated components of a cell or organism. Properties of systems, like strength, emerge as central problems, and understanding these properties could have a sway on the long run of drugs. However, several breakthroughs in experimental devices, advanced software package, and analytical ways area unit needed before the achievements of systems biology will live up to their much-touted potential. [2]

Gene Ontology: tool for the unification of biology

Genomic sequencing has created it clear that an outsized fraction of the genes specifying the core biological functions square measure shared by all eukaryotes. information of the biological role of such shared proteins in one organism will typically be transferred to different organisms. The goal of the cistron metaphysics pool is to supply a dynamic, controlled vocabulary which will be applied to all or any eukaryotes when information of cistron and macromolecule roles in cells is accumulating and dynamical. to the current finish, 3 freelance ontologies accessible on the World-Wide net ( square measure being constructed: organic process, molecular perform and cellular element. [3]

The best of both worlds—bringing together cell biology and infection at the Institut Pasteur

Only a profound understanding of the structure and performance of cells—either as single units or within the context of tissues and whole organisms—will permit a comprehension of what happens in pathological conditions and provides the suggests that to fight malady. The Cell Biology and Infection (BCI for Biologie Cellulaire et Infection) department was created in 2002 at the Institut chemist in Paris to develop a groundwork program beneath the umbrella of cell biology, infection biology, and biology. Its visionary ambition was to form a standard framework for cellular biology, and to interface the latter with onerous sciences like physics and arithmetic and up-to-date technology. this idea, before time, has given high visibility to the sector of cellular biology and quantitative cell biology, and it’s allowed the prospering execution of extremely knowledge base analysis programs linking a molecular understanding of cellular events with malady. Now, the BCI department embraces further pathologies, specifically cancer and neurodegenerative diseases. Here, we’ll portray however the integrative analysis approach of BCI has semiconductor diode to major scientific breakthroughs throughout the last ten years, and wherever we have a tendency to see scientific opportunities for the close to future.[4]

Aspects of the Biology of Silver Catfish (Chrysichthys nigrodigitatus) in Nwaniba River, Southeast Nigeria

The Aspects of the Biology of the Catfish (Chrysichthys nigrodigitatus) were investigated from August to October 2015 in Nwaniba watercourse, Akwa Ibom State, Nigeria. a complete of 2 hundred (200) specimens were analyzed for gut contents exploitation Numerical and Frequency of incidence ways. The results discovered that the species prey on numerous food things starting from plant origin to animal materials with dietary preference classified into eight major teams consisting of Crustaceans thirty-nine (23.2%), Fish elements twenty six (15.6%), Detritus twenty three (13.7%), Plant elements twenty (11.9%), undefined  twenty (11.9%), Mollusca nineteen (11.3%), Insects thirteen (7.7%), and Nematodes eight (4.7%) severally. Of the two hundred stomachs examined, 35 (17.5%) were empty stomachs, eighty (40%) had quarter-full stomachs, fifty (25%) had half-full stomachs, 13 (6.5%) had 3 quarter-full stomachs and twenty two (11%) had full stomachs. The condition issue calculated for the species varied throughout the studies amount with a average of zero.77 in August, 0.72 in September and zero.73 in October. supported the food things isolated within the gut, the species may be thought-about as Associate in Nursing all-devouring fish in Nwaniba watercourse. any analysis ought to be done to establish the food preference of the species over a extended amount of your time covering each wet and season. this can alter definite conclusion on its food preference. [5]


[1] Harper, J.L., 1977. Population biology of plants. Population biology of plants. (Web Link)

[2] Kitano, H., 2002. Systems biology: a brief overview. science, 295(5560), pp.1662-1664. (Web Link)

[3] Ashburner, M., Ball, C.A., Blake, J.A., Botstein, D., Butler, H., Cherry, J.M., Davis, A.P., Dolinski, K., Dwight, S.S., Eppig, J.T. and Harris, M.A., 2000. Gene ontology: tool for the unification of biology. Nature genetics, 25(1), p.25. (Web Link)

[4] The best of both worlds—bringing together cell biology and infection at the Institut Pasteur

Chiara Zurzolo & Jost Enninga

Genes & Immunity 20, 426–435 (2019) (Web Link)

[5] Esenowo, I. K., Ugwumba, A. A. A., Umoh, I. I., & Andem, A. B. (2017). Aspects of the Biology of Silver Catfish (Chrysichthys nigrodigitatus) in Nwaniba River, Southeast Nigeria. Asian Journal of Biology, 3(1), 1-9. (Web Link)

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