[HTML] from plantphysiol.orgPC Bethke, IGL Libourel, N Aoyama… - Plant …, 2007 - Am Soc Plant Biol
Collector scholar search: morteza mollazadeh
Seed dormancy is a common phase of the plant life cycle, and several parts of the seed can contribute
to dormancy. Whole seeds, seeds lacking the testa, embryos, and isolated aleurone layers of
Arabidopsis (Arabidopsis thaliana) were used in experiments designed to identify ...
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E Nambara, M Okamoto… - Seed Science …, 2010 - Cambridge Univ Press
Abscisic acid (ABA) is a plant hormone that regulates seed dormancy and germination. Seeds
undergo changes in both ABA content and sensitivity during seed development and germination
in response to internal and external cues. Recent advances in functional genomics have ...
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[HTML] from plantphysiol.orgT Matakiadis, A Alboresi, Y Jikumaru… - Plant …, 2009 - Am Soc Plant Biol
Nitrate releases seed dormancy in Arabidopsis (Arabidopsis thaliana) Columbia accession seeds
in part by reducing abscisic acid (ABA) levels. Nitrate led to lower levels of ABA in imbibed seeds
when included in the germination medium (exogenous nitrate). Nitrate also reduced ABA ...
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[HTML] from plantphysiol.orgM Okamoto, A Kuwahara, M Seo, T Kushiro… - Plant …, 2006 - Am Soc Plant Biol
Endogenous abscisic acid (ABA) levels are regulated by both biosynthesis and catabolism of
the hormone. ABA 8'-hydroxylase is considered to be the key catabolic enzyme in many physiological
processes. We have previously identified that four members of the Arabidopsis ...
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S Nakamura, M Chono, F Abe… - Euphytica, 2010 - Springer
Abstract In Arabidopsis, two genes of abscisic acid (ABA) 8′-hydroxylase (cytochrome
P450 (CYP) 707A1 and A2) have been found to play important roles in seed dormancy
through the regulation of ABA content in seeds. In order to examine the role of wheat ABA ...
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Y Liu, L Shi, N Ye, R Liu, W Jia… - New Phytologist, 2009 - Wiley Online Library
Results of quantitative real-time polymerase chain reaction (QRT-PCR) and Western blotting
indicate that the NO-induced ABA decrease correlates with the regulation of CYP707A2 transcription
and (+)-abscisic acid 8′-hydroxylase (encoded by CYP707A2) protein expression. By ...
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[HTML] from plantphysiol.orgPC Lin, SG Hwang, A Endo, M Okamoto… - Plant …, 2007 - Am Soc Plant Biol
Abscisic acid (ABA) is an important phytohormone that plays a critical role in seed
development, dormancy, and stress tolerance. 9-cis-Epoxycarotenoid dioxygenase is the key
enzyme controlling ABA biosynthesis and stress tolerance. In this study, we investigated ...
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[PDF] from sfu.caSDS Chiwocha, AJ Cutler, SR Abrams… - The Plant …, 2005 - Wiley Online Library
In Arabidopsis thaliana, the etr1-2 mutation confers dominant ethylene insensitivity and results
in a greater proportion of mature seeds that exhibit dormancy compared with mature seeds of
the wild-type. We investigated the impact of the etr1-2 mutation on other plant hormones ...
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JA Feurtado… - Annual Plant Reviews Volume 27: …, 2007 - Wiley Online Library
The sesquiterpene phytohormone abscisic acid (ABA) regulates key events during seed
formation, such as the deposition of storage reserves, prevention of precocious germination,
acquisition of desiccation tolerance, and induction of primary dor- mancy (Finkelstein and ...
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[PDF] from fagro.edu.uyAR Kermode - Journal of Plant Growth Regulation, 2005 - Springer
Abstract Seed dormancy is an adaptive trait that improves survival of the next generation by
optimizing the distribution of germination over time. The agricultural and forest industries rely
on seeds that exhibit high rates of germination and vigorous, synchronous growth after ...
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[HTML] from oxfordjournals.orgA Gianinetti… - Journal of experimental botany, 2007 - Soc Experiment Biol
Abscisic acid (ABA) is commonly assumed to be the primary effector of seed dormancy, but conclusive
evidence for this role is lacking. This paper reports on the relationships occurring in red rice between
ABA and seed dormancy. Content of free ABA in dry and imbibed caryopses, both ...
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[HTML] from plantphysiol.orgMP González-García, D Rodríguez, C Nicolás… - Plant …, 2003 - Am Soc Plant Biol
FsPP2C1 was previously isolated from beech (Fagus sylvatica) seeds as a functional protein
phosphatase type-2C (PP2C) with all the conserved features of these enzymes and high homology
to ABI1, ABI2, and PP2CA, PP2Cs identified as negative regulators of ABA signaling. The ...
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P Grappin, D Bouinot, B Sotta, E Miginiac… - Planta, 2000 - Springer
Abstract. The physiological characteristics of seed dormancy in Nicotiana plumbaginifolia
Viv. are described. The level of seed dormancy is defined by the delay in seed germination
(ie the time required prior to germination) under favourable environmental conditions. A ...
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JA Feurtado - 2006 - ir.lib.sfu.ca
Western white pine seeds exhibit deep dormancy at maturity and require several months of moist
chilling to reach maximal germination capacities. Toward increasing the efficiency of
dormancy-breakage and improving the rate and synchronicity of germination, the ...
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[PDF] from uleth.caRH Gulden, S Chiwocha, S Abrams… - Canadian journal of …, 2004 - NRC Research Press
... Control of seed dormancy in Nicotiana plumbaginifolia: post-imbibition abscisic acid synthesis
imposes dormancy main- tenance. Planta, 210: 279–285. ... Seed dormancy and responses of
caryopses, embryos and calli to abscisic acid in wheat. Plant Physiol. 90: 643–647. ...
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LC Mortensen, D Rodríguez… - Seed Science …, 2004 - Cambridge Univ Press
Dormancy and desiccation tolerance were studied in Fagus sylvatica seeds subsequent to
0–26 weeks of either moist prechilling (5°C) or warm (15°C) pretreatment at a restricted water
content of 34% (fresh weight basis), ie c. 5% below full imbibition. After the pretreatments, ...
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ZR FANG, Z SU… - Journal of China West Normal University ( …, 2007 - en.cnki.com.cn
Seed is the only sexual reproduction organ in angiosperm.Seed dormancy and seed germination
have an very important role in the life cycle of plants.In recent years,much progress has made
in understanding seed maturation,dormancy and germination in molecular genetics and ...
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T Suzuki, T Matsuura, N Kawakami… - Plant growth regulation, 2000 - Springer
Seed dormancy develops latein embryogenesis after a period of potential
prematuregermination and has been associated with levels ofabscisic acid (ABA) in, and
sensitivity to, ABA ofembryos. In wheat (Triticum aestivum L.) embryos, there are two ...
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V Lefebvre, H North, A Frey, B Sotta… - The Plant …, 2006 - Wiley Online Library
The cleavage of 9-cis-epoxycarotenoids to xanthoxin, catalyzed by 9-cis-epoxycarotenoid
dioxygenases, is considered to be the key regulatory step of abscisic acid (ABA)
biosynthesis. In Arabidopsis, genes for these enzymes form a multigene family with nine ...
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[HTML] from oxfordjournals.orgK Nakashima, Y Fujita, N Kanamori… - Plant and Cell …, 2009 - Jpn Soc Plant Physiol
... In order to evaluate seed dormancy, we assessed germination rates of non-stratified seeds
harvested from siliques at 16 DAF. ... However, the ABA content in seeds of srk2d/i, and particularly
srk2d/e/i, was higher than those measured for the wild type (Fig. 2K). ...
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AA Millar, JV Jacobsen, JJ Ross… - The Plant …, 2006 - Wiley Online Library
We have investigated the relationship between seed dormancy and abscisic acid (ABA) metabolism
in the monocot barley and the dicot Arabidopsis. Whether dormant (D) or non-dormant (ND),
dry seed of Arabidopsis and embryos of dry barley grains all had similarly high levels of ...
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[HTML] from oxfordjournals.orgY Liu, N Ye, R Liu, M Chen… - Journal of experimental …, 2010 - Soc Experiment Biol
H 2 O 2 is known as a signal molecule in plant cells, but its role in the regulation of aqbscisic
acid (ABA) and gibberellic acid (GA) metabolism and hormonal balance is not yet clear. In this
study it was found that H 2 O 2 affected the regulation of ABA catabolism and GA ...
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[PDF] from seedbiology.euK Graeber, A Linkies, K Müller, A Wunchova… - Plant molecular …, 2010 - Springer
Abstract Seed dormancy is genetically determined with substantial environmental influence
mediated, at least in part, by the plant hormone abscisic acid (ABA). The ABA-related
transcription factor ABI3/VP1 (ABA INSENSITIVE3/VIVIPAROUS1) is widespread among ...
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A Alonso-Ramírez, D Rodríguez, D Reyes… - Planta, 2011 - Springer
Abstract By means of an RT-PCR approach we isolated a specific tyrosine phosphatase
(FsPTP1) induced by abscisic acid (ABA) and correlated with seed dormancy in Fagus
sylvatica seeds. To provide genetic evidence of FsPTP1 function in seed dormancy and ...
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S Nakamura, T Komatsuda… - TAG Theoretical and Applied …, 2007 - Springer
Abstract Abscisic acid (ABA) sensitivity in embryos is one of the key factors in the seed
dormancy of wheat. Many ABA signaling genes have been isolated in Arabidopsis, while
only a few wheat homologues have been identified. In the present study, diploid wheat ...
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M Okamoto, A Kuwahara, M Seo, T Kushiro… - Plant …, 2006 - Am Soc Plant Biol
... The ABA accumulated during late-maturation is derived from the zygotic tissues and is essential
for the induction and maintenance of seed dormancy. On the other hand, the ABA accumulated
in dry seed decreases rapidly after seed imbibition. After this ...
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[HTML] from frontiersin.orgF Liu, H Zhang, G Wu, J Sun, L Hao… - Frontiers in Plant …, 2011 - frontiersin.org
Abscisic acid (ABA) and Gibberellic acid (GA) play key roles in regulating seed
dormancy and germination. First, when examining germination of different rice cultivars,
we found that their germination timing and dormancy status ...
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MC Rodríguez-Gacio… - Plant signaling & …, 2009 - ncbi.nlm.nih.gov
The seed is an important organ of higher plants regarding plant survival and species
dispersion. The transition between seed dormancy and germination represents a critical stage
in the plant life cycle and it is an important ecological and commercial trait. A dynamic ...
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[HTML] from nih.govY Liu… - Plant signaling & behavior, 2009 - ncbi.nlm.nih.gov
Nitric oxide's (NO) involvement in breaking seed dormancy has been demonstrated in previous
research but its action mechanism remains to be clarified. We observed that a rapid accumulation
of NO induces an equally rapid decrease of abscisic acid (ABA) that is required for the ...
Cited by 1 - Related articles - All 9 versions
K Rikiishi, T Matsuura… - Journal of Cereal Science, 2010 - Elsevier
A seed-specific bZIP type transcription factor involved in abscisic acid (ABA) signal
transduction of developing wheat (Triticum aestivum L.) seeds is TaABF1, ABA response
element binding factor 1. The expression of TaABF1 was examined in wheat cultivars ...
All 2 versions
[HTML] from nih.govM del Carmen Rodríguez-Gacio… - Plant Signaling & …, 2009 - ncbi.nlm.nih.gov
The seed is an important organ in higher plants, it is an important organ for plant survival and
species dispersion. The transition between seed dormancy and germination represents a critical
stage in the plant life cycle and it is an important ecological and commercial trait. A ...
Cited by 2 - Related articles - All 7 versions
C WU, H JIANG, J LIU… - Northern Horticulture, 2009 - en.cnki.com.cn
... studied based on seed of Pyrus betulaefolia Bunge.The results showed that seed dormancy of
Pyrus betulaefolia Bunge could be induced by ABA or seed coat.The prohibited effect of seed
coat on seed germination was more significent than that of ABA.Seed dormancy can be ...
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Y He… - Plant molecular biology, 2004 - Springer
Abstract Seed dormancy is an important developmental process that prevents pre-harvest
sprouting in many grains and other seeds. Abscisic acid (ABA), a plant hormone, plays a
crucial role in regulating dormancy but the underlying molecular regulatory mechanisms ...
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L JIANG… - Jiangsu Journal of Agricultural Sciences, 2007 - en.cnki.com.cn
Seed dormancy and germination plays a key role in the living,propagation and distribution of
a plant population.Plant hormones ABA and GA are endogenous signal molecules regulating
the seed dormancy and germination.ABA induces the end of the division of embryo cells ...
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GE Su-jie - Journal of Anhui Agricultural Sciences, 2011 - en.cnki.com.cn
... the study on seed growth and development. 【Key Words】： ABA Seed germination
Seed dormancy 【Fund】： 中央财政林业科技推广与示范基金项目(201003) 【CateGory
Index】： S482.8 【DOI】： CNKI:SUN:AHNY.0.2011-18-002. ...
F Corbineau, J Bianco, G Garello… - Physiologia …, 2002 - Wiley Online Library
... Breakage of Pseudotsuga menziesii seed dormancy by cold treatment as related to changes in
seed ABA sensitivity and ABA levels. Françoise Corbineau 1,* ,; Jacqueline Bianco 2 ,; Ginette
Garello 2 ,; Daniel Côme 1. Article first published online: 20 MAR 2002. ...
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[HTML] from oxfordjournals.orgI Romagosa, D Prada, MA Moralejo… - Journal of …, 2001 - Soc Experiment Biol
... Not only ABA content, but also ABA sensitivity may influence seed dormancy and germination. ...
The role of ABA in seed dormancy has been studied in Arabidopsis using mutants defective
in either ABA biosynthesis or action (Koornneef et al., 1998). ...
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[PDF] from sfu.caY Zeng - 2005 - ir.lib.sfu.ca
... Degree: Title of Thesis: Doctor of Philosophy Functional analyses of a conifer ABI3 gene, an ABA
signaling component regulating seed dormancy and germination Examining Committee: ...
inductionlmaintenance of seed dormancy. ABA contents may vary greatly for initiating ...
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[CITATION] Decline in a seed-specific ABA responsive glycine rich protein (GRPF1) mRNA may reflect the release of seed dormancy in Fagus silvatica during moist …LC Mortensen, D Rodríguez, G Nicolás, EN Eriksen… - Seed Sci. Res, 2004
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JM Nyachiro, FR Clarke, RM DePauw, RE Knox… - Euphytica, 2002 - Springer
Abstract Pre-harvest sprouting of wheat grain can cause economic losses especially in
cultivars with low levels of seed dormancy. The aim of this study was to determine genotype
differences in embryo sensitivity to germination in response to exogenous (+/–) cis-trans ...
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I Romagosa, D Prada, MA Moralejo… - Journal of …, 2001 - ingentaconnect.com
... Dormancy, ABA content and sensitivity of a barley mutant to ABA application during
seed development and after ripening. ... Abscisic acid (ABA) content was also studied
in immature grains throughout the seed development period. ...