No difference in the regulation pattern of calcium on ethylene biosynthesis between wild-type and never-ripe tomato fruit at mature green stage

No difference in the regulation pattern of calcium on ethylene biosynthesis between wild-type and... This work investigated how calcium regulates the ethylene biosynthesis in the fruits of wild-type tomato (Lycopersicon esculentum L.) and their ethylene receptor never-ripe (Nr) mutants. In Nr tomato, the ethylene perception was blocked. When both materials were treated with calcium, the content of 1-aminocyclopropane-1-carboxylic acid (ACC)/malonyl-ACC and the activity of ACC oxidase (ACO) in tomato fruit discs increased, whereas the production of ethylene, content of malondialdehyde, and membrane permeability decreased. Calcium treatment did not affect the activity of ACC synthase, which is the first committed step in the ethylene biosynthesis pathway. The expression of LeACO1 in mature green fruit was inhibited significantly by calcium treatment in wild-type and Nr tomatoes, but the expression of LeACS2, the key ACC synthase gene in ethylene synthesis during tomato fruit maturing, was not affected. These results revealed that the effect of calcium on ethylene biosynthesis in tomato mature green fruit was independent of ethylene perception. The results also revealed that the targeting step of calcium preventing ethylene production was located at the ACC conversion to ethylene, by means of inhibiting ACC availability for ACO through enhancing cell membrane integrity and by means of preventing LeACO1 gene expression. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Plant Physiology Springer Journals

No difference in the regulation pattern of calcium on ethylene biosynthesis between wild-type and never-ripe tomato fruit at mature green stage

Loading next page...
 
/lp/springer_journal/no-difference-in-the-regulation-pattern-of-calcium-on-ethylene-BjXu7k7QwZ
Publisher
Springer Journals
Copyright
Copyright © 2006 by MAIK “Nauka/Interperiodica”
Subject
Life Sciences; Plant Sciences; Plant Physiology
ISSN
1021-4437
eISSN
1608-3407
D.O.I.
10.1134/S1021443706010079
Publisher site
See Article on Publisher Site

Abstract

This work investigated how calcium regulates the ethylene biosynthesis in the fruits of wild-type tomato (Lycopersicon esculentum L.) and their ethylene receptor never-ripe (Nr) mutants. In Nr tomato, the ethylene perception was blocked. When both materials were treated with calcium, the content of 1-aminocyclopropane-1-carboxylic acid (ACC)/malonyl-ACC and the activity of ACC oxidase (ACO) in tomato fruit discs increased, whereas the production of ethylene, content of malondialdehyde, and membrane permeability decreased. Calcium treatment did not affect the activity of ACC synthase, which is the first committed step in the ethylene biosynthesis pathway. The expression of LeACO1 in mature green fruit was inhibited significantly by calcium treatment in wild-type and Nr tomatoes, but the expression of LeACS2, the key ACC synthase gene in ethylene synthesis during tomato fruit maturing, was not affected. These results revealed that the effect of calcium on ethylene biosynthesis in tomato mature green fruit was independent of ethylene perception. The results also revealed that the targeting step of calcium preventing ethylene production was located at the ACC conversion to ethylene, by means of inhibiting ACC availability for ACO through enhancing cell membrane integrity and by means of preventing LeACO1 gene expression.

Journal

Russian Journal of Plant PhysiologySpringer Journals

Published: Feb 24, 2006

References

You’re reading a free preview. Subscribe to read the entire article.


DeepDyve is your
personal research library

It’s your single place to instantly
discover and read the research
that matters to you.

Enjoy affordable access to
over 18 million articles from more than
15,000 peer-reviewed journals.

All for just $49/month

Explore the DeepDyve Library

Search

Query the DeepDyve database, plus search all of PubMed and Google Scholar seamlessly

Organize

Save any article or search result from DeepDyve, PubMed, and Google Scholar... all in one place.

Access

Get unlimited, online access to over 18 million full-text articles from more than 15,000 scientific journals.

Your journals are on DeepDyve

Read from thousands of the leading scholarly journals from SpringerNature, Elsevier, Wiley-Blackwell, Oxford University Press and more.

All the latest content is available, no embargo periods.

See the journals in your area

DeepDyve

Freelancer

DeepDyve

Pro

Price

FREE

$49/month
$360/year

Save searches from
Google Scholar,
PubMed

Create lists to
organize your research

Export lists, citations

Read DeepDyve articles

Abstract access only

Unlimited access to over
18 million full-text articles

Print

20 pages / month

PDF Discount

20% off