Effect of low water potential on phytochrome-induced germination, endosperm softening and cell-wall mannan degradation in Datura ferox seeds

Seed Science Research

Volumn 12, Issue 3, 2002, Pages 155-163

  Sánchez, Rodolfo A ^a   De Miguel, Lucila ^a   Lima, Carlos ^b   De Lederkremer, Rosa M ^b  

^a Instituto de Investigaciones Fisiologicas y Ecologicas   (Argentina)

^b UNIVERSIDAD DE BUENOS AIRES   (Argentina)

Author keywords

mannanase; mannosidase; Dormancy; Endosperm softening; Germination; Mannan mobilization; Phytochrome; Water potential

Indexed keywords

DATURA; DATURA FEROX;

EID: 0036712696     PISSN: 09602585     EISSN: None     Source Type: Journal    
DOI: 10.1079/SSR2002107     Document Type: Article

References (27)

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6. Relationship of endo-β-mannanase activity and cell wall hydrolysis in tomato endosperm to germination rates
7. Phytochrome-induced germination, endosperm softening and embryo growth potential in Datura ferox seeds: Sensitivity to low water potential and time to escape to FR reversal
8. Antagonistic action of low-fluence and high-irradiation modes of response of phytochrome on germination and β-mannanase activity in Datura ferox seeds
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10. Primary dormancy in tomato (Lycopersicon esculentum cv Moneymaker): Studies with the sitiens mutant
11. Involvement of endomannanase in the control of tomato seed germination under low temperature conditions
12. Expansin gene expression is regulated by phytochrome during dormancy breakage in Datura ferox seeds
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14. A germination-specific endo-β-mannanase gene is expressed in the micropylar endosperm cap of tomato seeds
15. β-mannoside mannohydrolase and the mobilization of the endosperm cell wall of lettuce seeds
16. Phytochrome promotion of mannan-degrading enzyme activities in the micropylar endosperm of Datura ferox seeds requires the presence of the embryo and gibberellin synthesis
17. Phytochrome control of cellulase activity in Datura ferox L. seeds and its relationship with germination
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19. Changes in endosperm cell walls of two Datura species before radicle protrusion
20. Control of seed germination by abscisic acid III. Effect on embryo growth potential (minimum turgor pressure) and growth coefficient (cell wall extensibility) in Brassica napus L.
21. Gas-liquid chromatography of alditol acetates
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24. Endosperm cap weakening and endo-β-mannanase activity during priming of tomato (Lycopersicon esculentum cv Moneymaker) seeds are initiated upon crossing a threshold water potential
25. Gibberellic acid stimulated degradation of endosperm in pepper
26. Weakening of muskmelon perisperm envelope tissue during germination