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La toxicité et la carence en métaux sont deux problèmes abiotiques courants auxquels sont confrontées les plantes. Bien que la contamination par les métaux dans le monde entier soit un problème critique, la biodisponibilité de certains métaux essentiels comme le zinc (Zn) et le sélénium (Se) peut être très faible dans d'autres endroits. La liste des métaux répandus en fortes concentrations dans le sol, l'eau et l'air comprend plusieurs éléments toxiques et essentiels, tels que l'arsenic (As), le cadmium (Cd), le chrome (Cr), l'aluminium (Al), le sélénium (Se). Pour certains métaux, les problèmes sont limités géographiquement, tandis que pour d'autres, ils sont très répandus. Par exemple, l'arsenic est un métalloïde toxique important dont la contamination en Asie du Sud-Est et dans d'autres parties du monde est bien documentée. Les menaces que la consommation d'aliments fait peser sur la santé humaine ont suscité un immense intérêt pour la compréhension des réactions des plantes au stress lié à l'arsenic.
Les métaux constituent des composants essentiels des principales enzymes et protéines des plantes. Ils sont importants pour la croissance et le développement des plantes. À leur tour, les plantes servent de sources d'éléments essentiels pour les humains et les animaux. L'étude de leurs effets physiologiques sur le métabolisme des plantes a conduit à l'identification de gènes et de protéines cruciaux contrôlant l'absorption et le transport des métaux, ainsi qu'à la détection et à la signalisation des contraintes métalliques. Interactions plantes-métal met en lumière les derniers développements et recherches en biologie analytique dans le domaine de la physiologie des plantes. Plus important encore, il met en évidence les effets positifs et négatifs des métaux sur la croissance et la productivité des plantes cultivées.
Pages
316 pages
Collection
n.c
Parution
2019-07-26
Marque
Springer
EAN papier
9783030207311
EAN PDF
9783030207328

Informations sur l'ebook
Nombre pages copiables
3
Nombre pages imprimables
31
Taille du fichier
6748 Ko
Prix
220,49 €
EAN EPUB
9783030207328

Informations sur l'ebook
Nombre pages copiables
3
Nombre pages imprimables
31
Taille du fichier
15032 Ko
Prix
220,49 €

Dr. Sudhakar Srivastavais an Assistant Professor. He obtained M.Sc. in Botany from University of Lucknow in 2002 and Ph.D. in Botany from CSIR-National Botanical Research Institute (CSIR-NBRI) and University of Lucknow in 2008. After obtaining Ph.D., he served as Scientific Officer in Bhabha Atomic Research Centre (BARC), Mumbai from June, 2009 to March, 2014 and then he moved to the Institute of Environment and Sustainable Development (IESD), Banaras Hindu University (BHU), in April, 2014. He has more than sixteen years of research experience in the field of plant-metal interactions with major interest on arsenic stress responses of plants. He has published 65 research articles and 20 review and letter articles in high impact International and National journals. He has also published 20 book chapters in the books of International repute and few general articles in popular magazines and websites. He has also received several awards for his contributions, among which the notable ones are Young Scientist Award of National Academy of Sciences, India (NASI), Allahabad in 2011, Young Scientist Award from Uttar Pradesh Council of Science & Technology (UPCST) in 2013-2014 and Young Scientist Award from Science and Engineering Research Board (SERB) in 2015. Dr. Srivastava is also NAAS Associate of National Academy of Agricultural Sciences and a life member of several societies as well as non-governmental organizations. He is also an Associate Editor of reputed International journals, Acta Physiologiae Plantarum and Frontiers in Ecology and Evolution. He is also an expert reviewer of several journals and project funding agencies.

Dr. Penna Suprasanna is a Senior Scientist & Head of Plant Stress Physiology and Biotechnology Group, Nuclear Agriculture and Biotechnology Division, Bhabha Atomic Research Centre, Mumbai, and is the Professor, Homi Bhabha National Institute, Department of Atomic Energy, Mumbai. Dr. Suprasanna made significant contributions to crop biotechnology research through radiation-induced mutagenesis, plant cell and tissue culture, genomics, and abiotic stress tolerance. His research on radiation-induced mutagenesis and in vitro selection in sugarcane yielded several agronomically superior mutants for sugar yield and stress tolerance. He has made intensive efforts to apply radiation mutagenesis techniques in vegetatively propagated plants through collaborative research projects with several national and international bodies (IAEA, Vienna). He is also serving as the DBT Expert/Nominee on Biosafety committees. He is the recipient of the “Award of Scientific and Technical Excellence” by the Department of Atomic Energy, Government of India; is the Fellow of Maharashtra Academy of Sciences, Andhra Pradesh Academy of Sciences, Telangana Academy of Sciences, and Association of Biotechnology. Dr. Suprasanna has published more than 250 research papers/articles in national and international journals/books, edited two Springer books, and has guided several doctoral students. His research is focused on molecular biology of abiotic stress tolerance and salt-stress adaptive mechanisms in plants. The research group led by him has successfully identified novel microRNAs, plant bioregulators besides validating the concept of redox regulation toward abiotic stress tolerance and crop productivity.

Dr. Ashish Kumar Srivastava is presently working as Scientific Officer in Bhabha Atomic Research Centre, Mumbai. His research is focussed on developing strategies for enhancing crop resilience towards different abiotic stresses. The stimulatory potential of thiourea (a reactive-oxygen species scavenger) has been demonstrated for enhancing stress tolerance and crop productivity through lab and small-scale field experiments, and by conducting multi-location field trials at salt- and drought-affected fields of Rajasthan. A small-scale technology has been developed for increasing yield and reducing arsenic accumulation from rice grains. Besides, thiourea has been used as a chemical probe for delineating redox-regulatory components of stress tolerance. He has proposed a bifurcative model of thiourea action wherein redox homeostasis acts as “central” point to regulate gene-expression through miRNA and hormones. To summarize, he is employing the combination of physiology, molecular biology and biotechnology to understand crops behavior under stress and develop suitable strategy to minimize stress-induced yield losses in different crop plants. He has more than 40 research and review articles and book chapters to his credit. He has been awarded Young Scientist Award of National Academy of Sciences, India (NASI), Allahabad in 2018, Young Scientist Medal from Indian National Science Academy (INSA) in 2014 and Young Scientist Award from Department of Atomic Energy (DAE) in 2014. He has also received President International Fellowship Award from Chinese Academy of Sciences, China in 2016 and and EMBO Short term Fellowship in 2011.

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