Variations in Km(CO2) of Ribulose-1,5-bisphosphate Carboxylase among Grasses | Zendy

HockHin Yeoh | Zendy; Murray R. Badger | Zendy; Leslie Watson | Zendy

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Variations in K_m(CO₂) of Ribulose-1,5-bisphosphate Carboxylase among Grasses

Author(s) -

HockHin Yeoh,

Murray R. Badger,

Leslie Watson

Publication year - 1980

Publication title -

plant physiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.554

H-Index - 312

eISSN - 1532-2548

pISSN - 0032-0889

DOI - 10.1104/pp.66.6.1110

Subject(s) - ribulose 1,5 bisphosphate , pyruvate carboxylase , rubisco , ribulose , chemistry , botany , biology , photosynthesis , enzyme , biochemistry

A survey of the K(m)(CO(2)) values of ribulose-1,5-bisphosphate carboxylase from 60 grass species shows that enzyme from C(3) grasses consistently exhibits lower K(m)(CO(2)) than does that from C(4) grasses. Systematically ordered variation in K(m)(CO(2)) of ribulose-1,5-bisphosphate carboxylases from C(3) and C(4) grasses is also apparent and, among C(4) grasses, this shows some correlation with C(4) types.

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