Response of Cultured Maize Cells to (+)-Abscisic Acid, (-)-Abscisic Acid, and Their Metabolites

Balsevich, John; Cutler, Adrian J.; Lamb, Nancy; Friesen, L.; Kurz, Ebba U.; Perras, Michel; Abrams, Suzanne R.

doi:10.1104/pp.106.1.135

Cited by 100 publications

(85 citation statements)

References 24 publications

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“…Racemic PA was inactive in inducing freezing tolerance in bromegrass cultured cells (Robertson et al, 1994). (-)-7'-HydroxyABA was weakly active in inhibiting the growth of maize cells (Balsevich et al, 1994a(Balsevich et al, , 1994b. The biological activity of (+I-7'-hydroxyABA has not been reported, whereas the biological activity of 8'-hydroxyABA is not known because the compound spontaneously cyclizes to PA in solution.…”

mentioning

confidence: 93%

“…(+)-and (-)-7'-HydroxyABA were prepared as previously reported (Nelson et al, 1991). (-)?A was isolated from the medium of conifer or maize cell cultures that had been supplied with (+)-ABA (Dunstan et al, 1992;Balsevich et al, 1994aBalsevich et al, , 1994b. (+)TA was synthesized by the method described by Abrams et al (19901, except that a chiral starting material was used (Balsevich et al, 1994a(Balsevich et al, , 1994b.…”

Section: Chemicalsmentioning

confidence: 99%

“…(-)?A was isolated from the medium of conifer or maize cell cultures that had been supplied with (+)-ABA (Dunstan et al, 1992;Balsevich et al, 1994aBalsevich et al, , 1994b. (+)TA was synthesized by the method described by Abrams et al (19901, except that a chiral starting material was used (Balsevich et al, 1994a(Balsevich et al, , 1994b. Racemic 2',3'-dihydroABA was synthesized by slight modification of the procedure by Oritani and Yamashita (1982) using racemic starting material.…”

Section: Chemicalsmentioning

confidence: 99%

“…The latter observation was also made by Walton (1983) using natural PA extracted from plant tissues. On the other hand, natural PA has been shown to be ineffective in inducing ABA-specific proteins in aleurone layers (Lin and Ho, 1986) and only weakly active in inhibiting the growth of cultured maize cells (Balsevich et al, 1994a(Balsevich et al, , 1994b. Racemic PA was inactive in inducing freezing tolerance in bromegrass cultured cells (Robertson et al, 1994).…”

mentioning

confidence: 99%

“…It is known that natural (+)++ABA is catabolized to 8'-hydroxyABA, followed by spontaneous cyclization to (-)TA, which may then be reduced to dihydrophaseic acid (Walton, 1980). Recently, there have been reports on the bioconversion of (-)-(R)-ABA to the unnatural (+) form of PA (Okamoto and Nakazawa, 1993;Balsevich et al, 1994aBalsevich et al, , 1994b. (+)-7'-HydroxyABA was a minor and transient oxidation product when natural (+)-($ABA was fed to cultured bromegrass cells, and (-)-7'-hydroxyABA was formed from the (-)-(R)-ABA component when racemic ABA was used in the feeding experiments (Hampson et al, 1992).…”

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confidence: 99%

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Abscisic Acid Structure-Activity Relationships in Barley Aleurone Layers and Protoplasts (Biological Activity of Optically Active, Oxygenated Abscisic Acid Analogs)

Hill¹,

Liu²,

Durnin³

et al. 1995

Plant Physiol.

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Promotion of the albumin storage protein gene response had a more strict stereochemical requirement for elicitation of an ABA response than inhibition of a-amylase gene expression. l h e naturally occurring stereoisomer of ABA and its metabolites were more effective at followed by 7'-hydroxyABA, with phaseic acid being the least active. Racemic 8'-hydroxy-2',3'-dihydroABA, an analog of 8'-hydroxyABA, was inactive, whereas racemic 2',3'-dihydroABA was as effective as ABA. The differences in response of the same tissue to the ABA enantiomers lead us to conclude that there exists more than one type of ABA receptor and/or multiple signal transduction pathways in barley aleurone tissue.

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mentioning

confidence: 93%

Section: Chemicalsmentioning

confidence: 99%

Section: Chemicalsmentioning

confidence: 99%

mentioning

confidence: 99%

mentioning

confidence: 99%

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Abscisic Acid Structure-Activity Relationships in Barley Aleurone Layers and Protoplasts (Biological Activity of Optically Active, Oxygenated Abscisic Acid Analogs)

Hill¹,

Liu²,

Durnin³

et al. 1995

Plant Physiol.

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Seed Germination

Kermode¹

2004

Handbook of Plant Biotechnology

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Seeds control the survival and reproductive capacity of plants and therefore occupy a critical position in the life history of higher plants. The successful establishment of the new plant both temporally and spatially, as well as the vigour of the young seedling, is largely determined by physiological and biochemical processes that occurred earlier, i.e. during seed development. At dispersal, the quiescent mature seed upon encountering favourable environmental conditions (that can include light of a given wavelength, sufficient water, optimal temperatures and adequate oxygen) commences germination. However, as will be discussed, under conditions that are not optimal for a transition from germination to seedling growth, seeds express genes that impose a transient ‘quiescence’ until those conditions become optimal. The agricultural and forest industries rely upon seeds that exhibit high germinability and vigorous, synchronous growth after germination; hence dormancy is generally considered an undesirable trait. Some of the problems unique to the forest industry in relation to the deep dormancy of conifer species will be discussed. Functional genomic approaches hold promise for elucidating genes and proteins that control seed dormancy and germination. The understanding of molecular and physiological mechanisms underlying seed dormancy, particularly of angiosperms, has been accelerated through the analysis of mutants that are disrupted in their development (including dormancy inception and maintenance) as a result of a deficiency in hormone biosynthesis or response. These and other biotechnological approaches for manipulating germination will be discussed.

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Insights into the in Vitro and in Vivo SAR of Abscisic Acid – Exploring Unprecedented Variations of the Side Chain via Cross‐Coupling‐Mediated Syntheses

et al. 2018

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Novel analogues of the plant hormone abscisic acid (ABA) were designed and prepared to explore the impact that modifications of its terpenoid side chain have on receptor affinity and in vivo efficacy against drought stress in selected crops. Their efficient and versatile synthesis proceeded via Stille or Sonogashira couplings, shortening the synthetic route significantly. In line with molecular modelling and X‐ray crystallography studies novel ABA‐derivatives with small alkyl, cycloalkyl or haloalkyl substituents showed strong effects in vitro and in vivo against drought stress in crops, particularly canola and wheat.

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Response of Cultured Maize Cells to (+)-Abscisic Acid, (-)-Abscisic Acid, and Their Metabolites

Cited by 100 publications

References 24 publications

Abscisic Acid Structure-Activity Relationships in Barley Aleurone Layers and Protoplasts (Biological Activity of Optically Active, Oxygenated Abscisic Acid Analogs)

Abscisic Acid Structure-Activity Relationships in Barley Aleurone Layers and Protoplasts (Biological Activity of Optically Active, Oxygenated Abscisic Acid Analogs)

Seed Germination

Insights into the in Vitro and in Vivo SAR of Abscisic Acid – Exploring Unprecedented Variations of the Side Chain via Cross‐Coupling‐Mediated Syntheses

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