Transcriptional events during early phase of germination of rice embryos

Bhat, Sumana; Jd, Padayatty

doi:10.1038/256227a0

Cited by 14 publications

(2 citation statements)

References 6 publications

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“…Profiles of TDF accumulation showed that 93% of the observed fragments are identified both in D and ND dry seeds ( Figure 2). This data are consistent with previous evidence that certain mRNAs synthesized during maturation are conserved in the dry embryos and support early protein synthesis in the re-hydrated seeds (Bhat and Padayatty, 1975;Sen et al, 1975;Spiegel and Marcus, 1975;Delseny et al, 1977;Lane, 1978, 1979;Harris and Dure, 1978;Sanchez de Jimenez and Aquilar, 1984;Bewley, 1997;Rajjou et al, 2004). Hammett and Katterman (1975) and Peumans et al (1979) proposed that the survival of mRNA could be pre-programmed in developing seeds by changes in mRNA subcellular localization, possibly in the nucleus or in ribonucleoprotein particles.…”

Section: Cdna-aflp Is Efficient To Differentiate D and Nd Seed Transcsupporting

confidence: 91%

Gene expression analysis by cDNA-AFLP highlights a set of new signaling networks and translational control during seed dormancy breaking in Nicotiana plumbaginifolia

Bove

Lucas²,

Godin³

et al. 2005

Plant Mol Biol

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Seed dormancy in Nicotiana plumbaginifolia is characterized by an abscisic acid accumulation linked to a pronounced germination delay. Dormancy can be released by 1 year after-ripening treatment. Using a cDNA-amplified fragment length polymorphism (cDNA-AFLP) approach we compared the gene expression patterns of dormant and after-ripened seeds, air-dry or during one day imbibition and analyzed 15,000 cDNA fragments. Among them 1020 were found to be differentially regulated by dormancy. Of 412 sequenced cDNA fragments, 83 were assigned to a known function by search similarities to public databases. The functional categories of the identified dormancy maintenance and breaking responsive genes, give evidence that after-ripening turns in the air-dry seed to a new developmental program that modulates, at the RNA level, components of translational control, signaling networks, transcriptional control and regulated proteolysis.

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Section: Cdna-aflp Is Efficient To Differentiate D and Nd Seed Transcsupporting

confidence: 91%

Gene expression analysis by cDNA-AFLP highlights a set of new signaling networks and translational control during seed dormancy breaking in Nicotiana plumbaginifolia

Bove

Lucas²,

Godin³

et al. 2005

Plant Mol Biol

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“…The germination of quiescent seeds requires a rapid transformation of a metabolically inert embryo into an active state of growth and development. In wheat [19,6] and rice [2], early protein synthesis is directed by stored mRNA that is transcribed prior to seed dessication. In tomato seeds the accumulation of/%tubulin preceeds morphological changes associated with germination.…”

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confidence: 99%

Developmental expression and regulation by light of two closely related ?-tubulin genes in Lupinus albus

et al. 1996

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We present here the characterization of a Lupinus albus beta-tubulin gene, TubB2, which is closely related to TubB1. Both TubB1 and TubB2 transcripts are present in the embryonic axis of lupin dry seeds. The patterns of developmental expression of TubB1 and TubB2 beta-tubulin genes are strongly correlated. Both genes are expressed at higher levels in hypocotyls of 7-day-old etiolated plants compared to hypocotyls from plants grown under light/dark cycles. When etiolated plants are exposed to continuous white light, differential changes in the steady state levels of the TubB1 and TubB2 mRNAs from hypocotyls are observed. These changes are accompanied by an inhibition of hypocotyl extension.

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Developmental Physiology

Bopp

1979

Progress in Botany / Fortschritte Der Botanik

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Transcriptional events during early phase of germination of rice embryos

Cited by 14 publications

References 6 publications

Gene expression analysis by cDNA-AFLP highlights a set of new signaling networks and translational control during seed dormancy breaking in Nicotiana plumbaginifolia

Gene expression analysis by cDNA-AFLP highlights a set of new signaling networks and translational control during seed dormancy breaking in Nicotiana plumbaginifolia

Developmental expression and regulation by light of two closely related ?-tubulin genes in Lupinus albus

Developmental Physiology

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