An Abundance of Nodulation Factors
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چکیده
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an investigation on influencing factors on tourists shopping attitude of iranian handmade carpet in isfahan
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15 صفحه اولPlant responses to nodulation factors.
The focus of research on signalling in Rhizobium-legume interactions has moved from understanding the structure and synthesis of rhizobially made Nod factors, towards an analysis of how they function in plants. Nod-factor-induced changes in ion fluxes across membranes, followed by establishment of an oscillation of intracellular Ca(2+) concentration, point to the involvement of a receptor-media...
متن کاملThe nodulation factor hydrolase of Medicago truncatula: characterization of an enzyme specifically cleaving rhizobial nodulation signals.
Nodule formation induced by nitrogen-fixing rhizobia depends on bacterial nodulation factors (NFs), modified chitin oligosaccharides with a fatty acid moiety. Certain NFs can be cleaved and inactivated by plant chitinases. However, the most abundant NF of Sinorhizobium meliloti, an O-acetylated and sulfated tetramer, is resistant to hydrolysis by all plant chitinases tested so far. Nevertheless...
متن کاملRoot nodulation and infection factors produced by rhizobial bacteria.
Rhizobia are soil bacteria that can engage in a symbiosis with leguminous plants that produces nitrogen-fixing root nodules. This symbiosis is based on specific recognition of signal molecules, which are produced by both the bacterial and plant partners. In this review, recognition factors from the bacterial endosymbionts are discussed, with particular attention to secreted and cell surface gly...
متن کاملAn Abundance of Lithium
In 1976 a National Research Council Panel estimated that Western World lithium reserves and resources totaled 10.6 million tonnes as elemental lithium. Subsequent discoveries, particularly in brines in the southern Andes and the plateaus of western China and Tibet have increased the tonnages significantly. Geothermal brines and lithium bearing clays add to the total. This current estimate total...
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ژورنال
عنوان ژورنال: Chemistry & Biology
سال: 2005
ISSN: 1074-5521
DOI: 10.1016/j.chembiol.2005.09.004