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Potential of Rhizobium strains isolated from root nodules of Hedysarum flexuosum for promotion of plant growth

open access: green, 2018
Fatima Ezzakkioui   +5 more
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Hormones in plants bearing nitrogen-fixing root nodules: Cytokinin levels in roots and root nodules of some non-leguminous plants

Zeitschrift für Pflanzenphysiologie, 1977
Summary A comparison was made of cytokinin levels, determined by bioassay, in extracts of root nodules and normal roots of five non-leguminous nodule-bearing angiosperms, viz. Purshia tridentata ( Pursh ) D. C., Myrica gale L., Alnus rubra Bong. , Hippophae rhamnoides L. and Colletia paradoxa ( Spreng. ) Escalante .
I.E. Henson, C.T. Wheeler
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Nodule induction on plant roots by Rhizobium

Trends in Biochemical Sciences, 1986
Abstract Formation of nitrogen-fixing nodules on plant roots is a consequence of expression of symbiotic genes from Rhizobium and the plant. Recognition of the appropriate legume host and nodule induction are controlled by two sets of Rhizobium genes, common and host-specific nodulation genes, which are turned on by a plant factor.
Eva Kondorosi, Adam Kondorosi
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A plant regulator controlling development of symbiotic root nodules

Nature, 1999
Symbiotic nitrogen-fixing root nodules on legumes are founded by root cortical cells that de-differentiate and restart cell division to establish nodule primordia. Bacterial microsymbionts invade these primordia through infection threads laid down by the plant and, after endocytosis, membrane-enclosed bacteroids occupy cells in the nitrogen-fixing ...
Schauser, L.   +3 more
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HORMONES IN PLANTS BEARING NITROGEN‐FIXING ROOT NODULES:

New Phytologist, 1977
SUMMARYThe content of gibberellin‐like (GA‐like) substances in various parts of young alder (Alnus glutinosa (L.) Gaertn.) plants was estimated by means of the lettuce hypocotyl bioassay. The highest levels of GA‐like activity were found in the root nodules, of dormant plants, plants emerging from dormancy, and plants in full leaf.No major differences ...
I. E. HENSON, C. T. WHEELER
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HæMoglobin in the Root Nodules of Leguminous Plants

Nature, 1945
THE red pigment in the root nodules of a leguminous plant (Vicia Faba) was investigated for the first time by Pietz1. He believed it to be identical with the red intermediate product which appears during the oxidation of tyrosine or of dihydroxyphenylalanine ('dopa') catalysed by tyro-sinase.
D. KEILIN, Y. L. WANG
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