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Literature DB >> 12231913

Genetic Evidence That the Red-Absorbing Form of Phytochrome B Modulates Gravitropism in Arabidopsis thaliana.

Abstract

Hypocotyls of dark-grown Arabidopsis seedlings exhibit strong negative gravitropism, whereas in red light, gravitropism is strongly reduced. Red/far-red light-pulse experiments and analysis of specific phytochrome-deficient mutants indicate that the red-absorbing (Pr) form of phytochrome B regulates normal hypocotyl gravitropism in darkness, and depletion of Pr by photoconversion to the far-red-absorbing form attenuates hypocotyl gravitropism. These studies provide genetic evidence that the Pr form of phytochrome has an active function in plant development.

Entities: Gene Species

Year: 1993 PMID： 12231913 PMCID： PMC158941 DOI： 10.1104/pp.103.1.15

Source DB: PubMed Journal: Plant Physiol ISSN： 0032-0889 Impact factor: 8.340

11 in total

1. Genetic separation of phototropism and blue light inhibition of stem elongation.

Authors: E Liscum; J C Young; K L Poff; R P Hangarter
Journal: Plant Physiol Date: 1992-09 Impact factor: 8.340

2. Photochemical and Nonphotochemical Reactions of Phytochrome in vivo.

Authors: L H Pratt; W R Briggs
Journal: Plant Physiol Date: 1966-03 Impact factor: 8.340

3. Effect of red light on geotropism in pea epicotyls.

Authors: J A McArthur
Journal: Plant Physiol Date: 1979-01 Impact factor: 8.340

4. hy8, a new class of arabidopsis long hypocotyl mutants deficient in functional phytochrome A.

Authors: B M Parks; P H Quail
Journal: Plant Cell Date: 1993-01 Impact factor: 11.277

5. Blue and Green Light-Induced Phototropism in Arabidopsis thaliana and Lactuca sativa L. Seedlings.

Authors: B Steinitz; Z Ren; K L Poff
Journal: Plant Physiol Date: 1985-01 Impact factor: 8.340

6. Gravitropism in a starchless mutant of Arabidopsis: implications for the starch-statolith theory of gravity sensing.

Authors: T Caspar; B G Pickard
Journal: Planta Date: 1989 Impact factor: 4.116

7. Light-regulated gravitropism in seedling roots of maize.

Authors: L J Feldman; W R Briggs
Journal: Plant Physiol Date: 1987 Impact factor: 8.340

8. The hy3 Long Hypocotyl Mutant of Arabidopsis Is Deficient in Phytochrome B.

Authors: D. E. Somers; R. A. Sharrock; J. M. Tepperman; P. H. Quail
Journal: Plant Cell Date: 1991-12 Impact factor: 11.277

9. Mutations in the gene for the red/far-red light receptor phytochrome B alter cell elongation and physiological responses throughout Arabidopsis development.

Authors: J W Reed; P Nagpal; D S Poole; M Furuya; J Chory
Journal: Plant Cell Date: 1993-02 Impact factor: 11.277

10. Different Roles for Phytochrome in Etiolated and Green Plants Deduced from Characterization of Arabidopsis thaliana Mutants.

Authors: J. Chory; C. A. Peto; M. Ashbaugh; R. Saganich; L. Pratt; F. Ausubel
Journal: Plant Cell Date: 1989-09 Impact factor: 11.277

36 in total

Review 1. How do plant shoots bend up? The initial step to elucidate the molecular mechanisms of shoot gravitropism using Arabidopsis thaliana.

Authors: H Fukaki; H Fujisawa; M Tasaka
Journal: J Plant Res Date: 1996-06 Impact factor: 2.629

2. Phytochromes A and B mediate red-light-induced positive phototropism in roots.

Authors: John Z Kiss; Jack L Mullen; Melanie J Correll; Roger P Hangarter
Journal: Plant Physiol Date: 2003-03 Impact factor: 8.340

3. Functional analysis of each blue light receptor, cry1, cry2, phot1, and phot2, by using combinatorial multiple mutants in Arabidopsis.

Authors: Maki Ohgishi; Kensuke Saji; Kiyotaka Okada; Tatsuya Sakai
Journal: Proc Natl Acad Sci U S A Date: 2004-02-24 Impact factor: 11.205

4. Cytokinin, acting through ethylene, restores gravitropism to Arabidopsis seedlings grown under red light.

Authors: A Golan; M Tepper; E Soudry; B A Horwitz; S Gepstein
Journal: Plant Physiol Date: 1996-11 Impact factor: 8.340

5. Early Gravi-Electrical Responses in Bean Epicotyls.

Authors: H. Shigematsu; K. Toko; T. Matsuno; K. Yamafuji
Journal: Plant Physiol Date: 1994-07 Impact factor: 8.340

6. Phytochrome A and Phytochrome B Have Overlapping but Distinct Functions in Arabidopsis Development.

Authors: J. W. Reed; A. Nagatani; T. D. Elich; M. Fagan; J. Chory
Journal: Plant Physiol Date: 1994-04 Impact factor: 8.340

7. The Induction of Seed Germination in Arabidopsis thaliana Is Regulated Principally by Phytochrome B and Secondarily by Phytochrome A.

Authors: T. Shinomura; A. Nagatani; J. Chory; M. Furuya
Journal: Plant Physiol Date: 1994-02 Impact factor: 8.340

8. PIL5, a phytochrome-interacting basic helix-loop-helix protein, is a key negative regulator of seed germination in Arabidopsis thaliana.

Authors: Eunkyoo Oh; Jonghyun Kim; Eunae Park; Jeong-Il Kim; Changwon Kang; Giltsu Choi
Journal: Plant Cell Date: 2004-10-14 Impact factor: 11.277

9. Phytochrome B affects responsiveness to gibberellins in Arabidopsis.

Authors: J W Reed; K R Foster; P W Morgan; J Chory
Journal: Plant Physiol Date: 1996-09 Impact factor: 8.340

10. SGR1, SGR2, SGR3: novel genetic loci involved in shoot gravitropism in Arabidopsis thaliana.

Authors: H Fukaki; H Fujisawa; M Tasaka
Journal: Plant Physiol Date: 1996-03 Impact factor: 8.340