Large Effects of Small Water Deficits on Chlorophyll Accumulation and Ribonucleic Acid Synthesis in Etiolated Leaves of Jack Bean (Canavalia ensiformis [L.] DC.) | Zendy

Don P. Bourque | Zendy; Aubrey W. Naylor | Zendy

Open Access

Large Effects of Small Water Deficits on Chlorophyll Accumulation and Ribonucleic Acid Synthesis in Etiolated Leaves of Jack Bean (Canavalia ensiformis [L.] DC.)

Author(s) -

Don P. Bourque,

Aubrey W. Naylor

Publication year - 1971

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.47.4.591

Subject(s) - canavalia ensiformis , greening , chlorophyll , uracil , etiolation , rna , chloroplast , botany , biology , chemistry , biochemistry , dna , gene , enzyme , ecology

In the course of investigating RNA metabolism in greening plastids of unexpanded leaves of jack bean (Canavalia ensiformis [L.] DC.) seedlings, it was found that relative humidity had to be controlled in order to obtain reproducible rates of chlorophyll accumulation and 3H-uracil incorporation into newly synthesized RNA. Under high relative humidity conditions, chlorophyll accumulation occurred rapidly in the light while low relative humidity conditions were associated with slow accumulation and much reduced incorporation of radioactive uracil into RNA.

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