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Regenerative Xylem in Inflorescence Stems of Arabidopsis thaliana
Year:
2003
Source of publication :
Journal of Plant Growth Regulation
Authors :
Flaishman, Moshe
;
.
Loginovsky, Kamelia
;
.
Volume :
22
Co-Authors:
Flaishman, M.A., Department of Fruit Trees, Institute of Horticulture, Volcani Center, P.O. Box 6, Bet Dagan 50250, Israel
Loginovsky, K., Department of Fruit Trees, Institute of Horticulture, Volcani Center, P.O. Box 6, Bet Dagan 50250, Israel
Lev-Yadun, S., Department of Biology, Fac. of Sci. and Science Education, University of Haifa-Oranim, Tivon 36006, Israel
Facilitators :
From page:
253
To page:
258
(
Total pages:
6
)
Abstract:
By inserting entomological needles into the lower parts of young inflorescence stems of three-month-old Arabidopsis thaliana (L.) Heynh var. Colombia plants, we studied the process of regenerative xylem production. Regenerative xylem was formed only in one- to two-day-old inflorescence stems but not in older ones. The regenerative vessels originated from re-differentiation of cortical parenchyma. To characterize the process of regenerative xylem formation, we conducted a histological study from the time of wounding to day 30 after wounding. In the first day after wounding the tissues showed no structural responses except for the wounding itself. After six days, regenerative vessel members were already differentiating in a basipetal pattern, forming a vascular bypass around the wound. Regenerative vessel member formation reached a maximal level on the twelfth day after wounding. Sixteen days after wounding the pith parenchyma started to become loose as if indicating tissue senescence. Altogether, vascular regeneration following wounding in inflorescence stems of Arabidopsis thaliana is similar to that in other dicotyledon plants. These findings provide the basis for the use of Arabidopsis thaliana as a model system to study the genetics, physiology and cell biology of wound healing and regenerative vascular tissue formation.
Note:
Related Files :
arabidopsis
Arabidopsis thaliana
Differentiation
eudicotyledons
Fluorescence
genetic engineering
tissue culture
Show More
Related Content
More details
DOI :
10.1007/s00344-003-0030-y
Article number:
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
19367
Last updated date:
02/03/2022 17:27
Creation date:
16/04/2018 23:28
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Scientific Publication
Regenerative Xylem in Inflorescence Stems of Arabidopsis thaliana
22
Flaishman, M.A., Department of Fruit Trees, Institute of Horticulture, Volcani Center, P.O. Box 6, Bet Dagan 50250, Israel
Loginovsky, K., Department of Fruit Trees, Institute of Horticulture, Volcani Center, P.O. Box 6, Bet Dagan 50250, Israel
Lev-Yadun, S., Department of Biology, Fac. of Sci. and Science Education, University of Haifa-Oranim, Tivon 36006, Israel
Regenerative Xylem in Inflorescence Stems of Arabidopsis thaliana
By inserting entomological needles into the lower parts of young inflorescence stems of three-month-old Arabidopsis thaliana (L.) Heynh var. Colombia plants, we studied the process of regenerative xylem production. Regenerative xylem was formed only in one- to two-day-old inflorescence stems but not in older ones. The regenerative vessels originated from re-differentiation of cortical parenchyma. To characterize the process of regenerative xylem formation, we conducted a histological study from the time of wounding to day 30 after wounding. In the first day after wounding the tissues showed no structural responses except for the wounding itself. After six days, regenerative vessel members were already differentiating in a basipetal pattern, forming a vascular bypass around the wound. Regenerative vessel member formation reached a maximal level on the twelfth day after wounding. Sixteen days after wounding the pith parenchyma started to become loose as if indicating tissue senescence. Altogether, vascular regeneration following wounding in inflorescence stems of Arabidopsis thaliana is similar to that in other dicotyledon plants. These findings provide the basis for the use of Arabidopsis thaliana as a model system to study the genetics, physiology and cell biology of wound healing and regenerative vascular tissue formation.
Scientific Publication
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