Jurnal Biologi Udayana
Vol 12 No 1 (2008): JURNAL BIOLOGI

CA2+ INTRASELULER TERLIBAT DALAM MEKANISME PEMBUKAAN STOMATA AKIBAT PENGARUH AUXIN

MADE PHARMAWATI (Unknown)
MADE RIA DEFIANI (Unknown)
Ni LUH ARPIWI (Unknown)

Article Info

Publish Date
01 Jun 2008

Abstract

Research was done to elucidate the role of Ca2+ intracellular in stomatal movement induced by auxin. Two types of auxin (IAA and NAA) increased stomatal opening and the increase was concentration dependent. The addition of EGTA, Ruthenium red and Procaine as the modulator of Ca2+ concentration , inhibited stomatal opening induced by auxin. EGTA and procaine significantly inhibited somatal opening at 100 uM and 1 mM. Ruthenium red worked at lower concentrations which were 10 uM, 50 uM and 100 uM on LAA-induced stomatal opening, while on NAA-induced stomatal opening, Ruthenium red had an effect at 10 uM, 50 uM, 100 uM dan 1 mM. It is suggested that Ca2+ involves in stomatal opening induced by LAA and NAA as signaling agent.

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Journal Info
Jurnal Biologi Udayana
Website

Abbrev

BIO

Publisher

Universitas Udayana

Subject

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

Description

Jurnal Biologi Udayana (p-ISSN 1410-5292 | e-ISSN 2599-2856 | DOI 10.24843/jbiounud) managed by the Department of Biology, Udayana University, published in two formats namely print and online regularly twice a year (June and ...