Premium
The Relationship between Growth and Proline Incorporation after Auxin Treatment of Mung Bean Hypocotyls
Author(s) -
Kuraishi Susumu,
Kasamo Kunihiro,
Yamaki Toshio
Publication year - 1968
Publication title -
physiologia plantarum
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.351
H-Index - 146
eISSN - 1399-3054
pISSN - 0031-9317
DOI - 10.1111/j.1399-3054.1968.tb07309.x
Subject(s) - proline , auxin , stimulation , hypocotyl , cell wall , phaseolus , cytoplasm , biochemistry , cell division , biology , cell growth , amino acid , cell , botany , endocrinology , gene
Indoleacetic acid (IAA) stimulates the incorporation of 14 C‐proline into both the cyloplasmic and the cell wall fractions of the hypocotyl of mung bean ( Phaseolus aureus Roxb. cv. Black). It neither stimulates the transfer of 14 C‐proline from the cyloplasmic fraction into the cell wall fraction, nor the retention of 14 C‐proline in the wall or cytoplasmic fractions. Moreover, the stimulation of growth caused by IAA parallels the stimulation of the incorporation of proline into the cytoplasmic fraction, but does not parallel the stimulation into the cell wall fractions. The stimulation of the incorporation into the cyloplasmic fraction seems to appear within 30 minutes after auxin treatment, at about the same time the increase in the growth is observed in response to IAA, suggesting a connection between these effects. On the other hand, the stimulation of the proline incorporation into the cell wall fraction seems to require more than 90 minutes after auxin treatment, suggesting no close connection between growth and proline incorporation into the cell wall fraction.