Open AccessStachyose: an Early Product of Photosynthesis in Squash Leaves
Author(s) -
Gene A. Beitler,
John E. Hendrix
Publication year - 1974
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.53.5.674
Subject(s) - stachyose , squash , botany , phloem , cucurbitaceae , raffinose , biology , photosynthesis , chemistry , horticulture , food science , sucrose
It was hypothesized that stachyose is translocated by squash because stachyose is supplied to the phloem loading system by the photosynthetic system. To test this hypothesis, (14)CO(2) was supplied to squash leaves. The nonphosphorylated sugars containing (14)C were studied. A large proportion of (14)C appeared in stachyose very early in the time sequence, tending to confirm the hypothesis.
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