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Titolo:
Ammonium in relation to proline accumulation in detached rice leaves
Autore:
Yang, CW; Kao, CH;
Indirizzi:
Natl Taiwan Univ, Dept Agron, Taipei, Taiwan Natl Taiwan Univ Taipei Taiwan Taiwan Univ, Dept Agron, Taipei, Taiwan
Titolo Testata:
PLANT GROWTH REGULATION
fascicolo: 2, volume: 30, anno: 2000,
pagine: 139 - 144
SICI:
0167-6903(200002)30:2<139:AIRTPA>2.0.ZU;2-U
Fonte:
ISI
Lingua:
ENG
Soggetto:
AMINO-ACID-METABOLISM; METHIONINE SULFOXIMINE; NITROGEN-METABOLISM; EXCISED LEAVES; WATER-STRESS; SENESCENCE; GROWTH; ASSIMILATION; BIOSYNTHESIS; INHIBITION;
Keywords:
ammonium; methionine sulfoximine; Oryza sativa; proline accumulation; water stress;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Citazioni:
33
Recensione:
Indirizzi per estratti:
Indirizzo: Kao, CH Natl Taiwan Univ, Dept Agron, Taipei, Taiwan Natl Taiwan Univ Taipei Taiwan Univ, Dept Agron, Taipei, Taiwan
Citazione:
C.W. Yang e C.H. Kao, "Ammonium in relation to proline accumulation in detached rice leaves", PLANT GR R, 30(2), 2000, pp. 139-144

Abstract

Ammonium accumulation in relation to proline accumulation in detached riceleaves under stress conditions was investigated. Ammonium accumulation in dark-treated detached rice leaves preceded proline accumulation. Ammonium accumulation caused by water stress coincided closely with proline accumulation in detached rice leaves. Exogenous NH4Cl and methionine sulfoximine (MSO), which caused an accumulation of ammonium in detached rice leaves, increased proline content. It was found that proline in NH4Cl- or MSO-treated rice leaves is less utilized than in water-treated rice leaves (controls). These results are in agreement with the observation that a decrease in proline utilization contributes to the accumulation of proline in dark-treated and water stressed rice leaves. Although ammonium content increased in Cd- and Cu-treated rice leaves, the increase in ammonium content was only observed after the increase in proline content.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 28/11/20 alle ore 12:59:50