Open AccessPolyamines in Rhizobium, Bradyrhizobium, Azorhizobium and Argobacterium
Author(s) -
Hamana Koei,
Minamisawa Kiwamu,
Matsuzaki Shigeru
Publication year - 1990
Publication title -
fems microbiology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.899
H-Index - 151
eISSN - 1574-6968
pISSN - 0378-1097
DOI - 10.1111/j.1574-6968.1990.tb03800.x
Subject(s) - bradyrhizobium japonicum , putrescine , rhizobiaceae , spermidine , cadaverine , biology , rhizobium , rhizobium leguminosarum , bradyrhizobium , rhizobia , agrobacterium , spermine , microbiology and biotechnology , botany , biochemistry , nitrogen fixation , bacteria , symbiosis , transformation (genetics) , enzyme , genetics , gene
Eighteen strains of Rhizobium including four species, R. leguminosarum, R. meliloti, R. loti and R. fredii , nine strains of Bradyrhizobium japonicum and three strains of Azorhizobium caulinodans contained putrescine and honospermidine as major polyamines. All these nodulating N 2 ‐fixing rhizobia lack spermidine. Spermidine and cadaverine were present only in a limited number of R. meliloti and B. japonicum . Polymanine‐synthetic activity was not affected by the differences in ability to produce phytoxine (rhizobitoxine and dihydrorhizobitoxine) H 2 ‐uptake‐hydrogenation in the organisms. Putrescine and homospermidine were major polyamined in a strain of Agrobacterium rhizogenes . All the eight strains of Agrobacterium tumefaciens as well as A. rubi, A. radiobacter and two other strains of A. rhizogenes contained putrescine and spermidine as major polyamines and homospermidine and spermine (and thermospermine) as minor polyamines.