Cross-Species Identification of Mendel's I Locus-Reference-Cited by-同舟云学术

Cross-Species Identification of Mendel's I Locus

Published:2007-01-05 Issue:5808 Volume:315 Page:73-73
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Armstead Ian¹²³,Donnison Iain¹²³,Aubry Sylvain¹²³,Harper John¹²³,Hörtensteiner Stefan¹²³,James Caron¹²³,Mani Jan¹²³,Moffet Matt¹²³,Ougham Helen¹²³,Roberts Luned¹²³,Thomas Ann¹²³,Weeden Norman¹²³,Thomas Howard¹²³,King Ian¹²³

Affiliation:

1. Institute of Grassland and Environmental Research, Aberystwyth SY23 3EB, UK.

2. Institute of Plant Sciences, University of Bern, Altenbergrain 21, CH-3013 Bern, Switzerland.

3. Department of Plant Sciences and Plant Pathology, Montana State University, Bozeman, MT 59717, USA.

Abstract

A key gene involved in plant senescence, mutations of which partially disable chlorophyll catabolism and confer stay-green leaf and cotyledon phenotypes, has been identified in Pisum sativum , Arabidopsis thaliana , and Festuca pratensis by using classical and molecular genetics and comparative genomics. A stay-green locus in F. pratensis is syntenically equivalent to a similar stay-green locus on rice chromosome 9. Functional testing in Arabidopsis of a homolog of the rice candidate gene revealed (i) senescence-associated gene expression and (ii) a stay-green phenotype after RNA interference silencing. Genetic mapping in pea demonstrated cosegregation with the yellow/green cotyledon polymorphism ( I/i ) first reported by Gregor Mendel in 1866.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference10 articles.

1. G. Mendel, Verh. Naturforsch. Ver. Brünn.4, 3 (1866).

2. H. Thomas, M. Schellenberg, F. Vicentini, P. Matile, Bot. Acta109, 3 (1996).

3. CHLOROPHYLL DEGRADATION DURING SENESCENCE

4. I. P. Armstead et al., New Phytol., 172, 592 (2006).

5. H. Thomas, C. M. Smart, Ann. Appl. Biol.123, 193 (1993).

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