Cytological and Physiological Studies of Soybean (Glycine Max) Root Nodules PDF Download
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Author: Owen Van Cauwenberghe
Publisher:
ISBN:
Category : Nitrogenase
Languages : en
Pages : 180
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Book Description
Author: Owen Van Cauwenberghe
Publisher:
ISBN:
Category : Nitrogenase
Languages : en
Pages : 180
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Book Description
Author: David Lewis Eskew
Publisher:
ISBN:
Category :
Languages : en
Pages : 128
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Book Description
Author: James Kenneth Wilson
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
Author: Mogale Clinton Hlokwe
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Pre-mature nodule senescence is a naturally occurring process that often has a negative impact on plant growth and development. Nodule senescence is regulated by a class of enzymes known as cysteine proteases. In this study, transgenic soybean (Glycine max) were investigated in order to determine whether nodule senescence can be prolonged by reducing the activity of cysteine proteases. Transgenic lines over-expressing a cysteine protease inhibitor (oryzacystatin-I) in root nodules were characterized under different growth conditions. Differential transgene expression occurred in transgenic lines. The presence of OCI was detected by determining cysteine protease activity using a fluoremetric assay which utilizes a fluorogenic cysteine protease substrate. Under well-watered conditions, OCI did lower cysteine protease activity in transgenic plants and also improved the growth rate of trifoliate leaves. The most potent effects of OCI were observed when plants were less than 9 weeks old. This was maybe due to a spike of OCI expression in nodules. Although cysteine protease activity was also lowered under drought conditions, detectable effects of OCI on plant biology were difficult to characterize in drought-treated transgenic lines. Overall, the results of this study demonstrated that organ-specific over-expression of a cysteine protease inhibitor can alter certain plant functionalities that are related to the activity of those cysteine proteases. Future work will focus on determining OCI sensitive proteases and the respectable pathways which they are involved in.
Author:
Publisher: Academic Press
ISBN: 0080856942
Category : Science
Languages : en
Pages : 401
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Book Description
International Review of Cytology presents current advances and comprehensive reviews in cell biology-both plant and animal. Articles address structure and control of gene expression, nucleocytoplasmic interactions, control of cell development and differentiation, and cell transformation and growth. Authored by some of the foremost scientists in the field, each volume provides up-to-date information and directions for future research.
Author:
Publisher:
ISBN:
Category : Soybean
Languages : en
Pages : 32
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Book Description
Author: James E. Board
Publisher:
ISBN: 9789535142591
Category : Chemistry, Technical
Languages : en
Pages : 626
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Book Description
Soybean is the most important oilseed and livestock feed crop in the world. These dual uses are attributed to the crop's high protein content (nearly 40% of seed weight) and oil content (approximately 20%); characteristics that are not rivaled by any other agronomic crop. Across the 10-year period from 2001 to 2010, world soybean production increased from 168 to 258 million metric tons (54% increase). Against the backdrop of soybean's striking ascendancy is increased research interest in the crop throughout the world. Information in this book presents a comprehensive view of research efforts in genetics, plant physiology, agronomy, agricultural economics, and nitrogen relationships that will benefit soybean stakeholders and scientists throughout the world. We hope you enjoy the book.
Author: Jayne T. MacLean
Publisher:
ISBN:
Category : Nitrogen
Languages : en
Pages : 44
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Book Description
Author: D.P.S. Verma
Publisher: Springer Science & Business Media
ISBN: 3709187397
Category : Science
Languages : en
Pages : 397
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Book Description
Interdependence between species is a law of nature. The degree of this interdependence is vividly evident in the plant-microbial world. Indeed, there is no axenic plant in nature and one finds various forms of interac tions between these two kingdoms ranging from completely innocuous to obligate parasitic. Most of these interactions are poorly understood at the molecular and physiological levels. Only those few cases for which a molecular picture is emerging are discussed in this volume. With the advent of recombinant DNA technology and the realization that some of these interactions are very beneficial to the host plant, a spate of activity to understand and manipulate these processes is occurring. Microbes interact with plants for nutrition. In spite of the large number of plant-microbe interactions, those microbes that cause harm to the plants (i. e. , cause disease) are very few. It is thus obvious that plants have evolved various defense mechanisms to deal with the microbial world. The mecha nisms for protection are highly diverse and poorly understood. Some pathogens have developed very sophisticated mechanisms to parasitize plants, an excellent example for this being crown gall caused by a soil bac terium, Agrobacterium tumefaciens. A remarkable ingenuity is exhibited by this bacterium to manipulate its host to provide nitrogenous compounds which only this bacterium can catabolize. This is carried out by a direct gene transfer mechanism from bacteria to plants.
Author: Padma Somasegaran
Publisher: Springer Science & Business Media
ISBN: 1461383757
Category : Technology & Engineering
Languages : en
Pages : 456
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Book Description
Rhizobia are bacteria which inhabit the roots of plants in the pea family and "fix" atmospheric nitrogen for plant growth. They are thus of enormous economic importance internationally and the subject of intense research interest. Handbook for Rhizobia is a monumental book of practical methods for working with these bacteria and their plant hosts. Topics include the general microbiological properties of rhizobia and their identification, their potential as symbionts, methods for inoculating rhizobia onto plants, and molecular genetics methods for Rhizobium in the laboratory. The book will be invaluable to Rhizobium scientists, soil microbiologists, field and laboratory researchers at agricultural research centers, agronomists, and crop scientists.
