EurekaMag.com logo
+ Site Statistics
References:
53,214,146
Abstracts:
29,074,682
+ Search Articles
+ Subscribe to Site Feeds
EurekaMag Most Shared ContentMost Shared
EurekaMag PDF Full Text ContentPDF Full Text
+ PDF Full Text
Request PDF Full TextRequest PDF Full Text
+ Follow Us
Follow on FacebookFollow on Facebook
Follow on TwitterFollow on Twitter
Follow on Google+Follow on Google+
Follow on LinkedInFollow on LinkedIn

+ Translate

Metabolism of indole acetic acid in root nodules of Dolichos biflorus Linn






Indian Journal of Experimental Biology 36(2): 192-194

Metabolism of indole acetic acid in root nodules of Dolichos biflorus Linn

Root nodules of D. biflorus, a leguminous medicinal herb, contained high amount of IAA. A tryptophan pool present in the nodule, might serve as a source of IAA production. Presence of IAA metabolising enzymes, IAA oxidase and peroxidase, indicated metabolism of IAA, at least in part, in nodules. The symbiont from the nodules, a Rhizobium sp., produced high amount of IAA in tryptophan supplemented culture medium. For IAA production, the bacteria preferred L-isomer over DL-isomer, whereas D-isomer of tryptophan was not utilized. The possible role of this IAA production in legume, Rhizobium symbiosis is discussed.

(PDF 0-2 workdays service: $29.90)

Accession: 003199519



Related references

Chhaya Datta; Basu, P.S., 1997: Content of indole acetic acid and its metabolism in root nodules of Cajanus cajan (Linn.) Millsp. Root nodules of Cajanus cajan contained high amounts of indole acetic acid (IAA). Levels of tryptophan, which might serve as a pool for IAA production, were higher in the nodules than roots. Presence of IAA metabolising enzymes, IAA oxidase and pe...

Roy, M.; Basu, P.S., 1988: Bioproduction of indole acetic acid by Rhizobium sp. from root nodules of Arachis hypogaea Linn. Rhizobium sp. isolated from root nodules of groundnuts (Arachis hypogaea) was found to produce a large amount (53.8 mu g/ml) of indole acetic acid (IAA) in culture when supplemented with DL-tryptophan (2 mg/ml). The production of IAA increased the...

Sinha, B.K.; Basu, P.S., 1981: Indole-3-acetic acid and its metabolism in root nodules of Pongamia pinnata (L.) Pierre. The IAA content of root nodules of different leguminous plants was estimated colorimetrically. The nodules from the plants of Mimosaceae contained no detectable amount of IAA. Among the members of Papilionaceae, there was a large variation in the...

Roy, M.; Basu, P.S., 1992: Contents of hormones and indole acetic acid metabolism in root nodules of Clitoria ternatea L. Higher amounts of plant growth substances such as, indoleacetic acid (AA), cytokinin-like substances (CK), gibberellic acid-like substances (GA) and abscisic acid-like substances (ABA) were obtained from mature root nodules of the leguminous twine...

Basu, P.S.; Ghosh, A.C., 1998: Indole acetic acid and its metabolism in root nodules of a monocotyledonous tree Roystonea regia. A monocotyledonous tree, Roystonea regia, was found to bear root nodules. The root nodules contained a high amount (16.9 microg/g fresh mass) of indole acetic acid (IAA). A big tryptophan pool (1555.1 microg/g fresh mass) was found in the root nod...

Ghosh, S.; Basu, P.S., 2006: Production and metabolism of indole acetic acid in roots and root nodules of Phaseolus mungo. The mature root nodules of Phaseolus mungo (L.), a leguminous pulse, contain higher amount of indole acetic acid (IAA) than non-nodulated roots. The tryptophan pool present in the mature nodule and young roots might serve as a precursor for the IA...

Ghosh, A.C.; Basu, P.S., 1998: Indole acetic acid and its metabolism in root nodules of a leguminous tree Dalbergia lanceolaria. High amount (7.4 mug/g fresh mass) of indole acetic acid (IAA) was obtained from the mature root nodules of an economically important leguminous tree, Dalbergia lanceolaria Linn. f. Tryptophan pool present in the nodules might serve as a source of...

De, P.S.; Basu, P.S., 1996: Content of different phytohormones and indole acetic acid metabolism in root nodules of Derris scandens Benth. Root nodules of Derris scandens BENTH., an economic leguminous climbing shrub, contain high amount of IAA, gibberellin like (GA), cytokinin like (CK) and abscisic acid like (ABA) substances. A tryptophan pool present in the nodule may serve as a s...

De, P.S.; Basu, P.S., 1995: Content of hormones and indole acetic acid metabolism in root nodules of Tephrosea purpurea Pers. Root nodules of Tephrosea purpurea Pers. a leguminous medicinal herb, contain high amounts of IAA, gibberellin (GA), cytokinin (CK) and abscisic acid (ABA) like substances. A tryptophan pool present in the nodule may serve as a source of IAA produ...

Datta, C.; Basu, P.S., 1998: Production of indole acetic acid in root nodules and culture by a Rhizobium species from root nodules of the fodder legume Melilotus alba DESR. The root nodules of Melilotus alba DESR., a fodder legume, contained high amounts of IAA. A tryptophan pool present in the nodule might serve as a source of IAA production. Presence of IAA oxidase and peroxidase in the nodules indicated the metabo...