NDLI: Ectopic expression of the Arabidopsis ASYMMETRIC LEAVES2-LIKE5 (ASL5) gene in cockscomb (Celosia cristata) generates vascular-pattern modifications in lateral organs

Content Provider	Springer Nature Link
Author	Sun, Xudong Feng, Zhenhua Meng, Laisheng
Copyright Year	2012
Abstract	ASYMMETRIC LEAVES2-LIKE5/LATERAL ORGAN BOUNDARIES DOMAIN 12 (ASL5/LBD12), isolated from Arabidopsis, is a member of the LATERAL ORGAN BOUNDARIES (LOB) domain gene family. Previously, it has been reported that the dominant peacock1-D (pck1-D) mutant, wherein an ASL5 gene activated by a T-DNA lost apical dominance, had epinastic or abaxial leaves and was sterile; this suggested that ASL5 gene might be involved in ab-/adaxial determination of leaves or in the development of shoot apical meristems (SAMs), but no evidence for this has been provided hitherto. In this study, 35S:AtASL5-GFP transgenic cockscomb plants were obtained. In leaf epidermal cells, the AtASL5-GFP fusion protein displayed nuclear localization suggesting that AtASL5 might be a potential transcription factor. The 35S:AtASL5 transgenic cockscombs have dramatically altered phenotype. Histological analysis of petioles, leaf blades and lateral roots shows that these lateral organs have vascular-pattern modifications, suggesting the leaves might have ab-/adaxial defect, and the lateral roots have a central-peripheral defect. Moreover, ectopic protuberances were observed in transgenic plants, indicated that AtASL5 might have function in development of shoot apical meristem.
Starting Page	163
Ending Page	169
Page Count	7
File Format	PDF
ISSN	01676857
Journal	Plant Cell, Tissue and Organ Culture (PCTOC)
Volume Number	110
Issue Number	1
e-ISSN	15735044
Language	English
Publisher	Springer Netherlands
Publisher Date	2012-03-06
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	ASYMMETRIC LEAVES2-LIKE5/LATERAL ORGAN BOUNDARIES DOMAIN 12 (ASL5/LBD12) Cockscomb (Celosia cristata) Arabidopsis Vascular-pattern modification Shoot apical meristem (SAM) Plant Pathology Plant Genetics & Genomics Plant Physiology Plant Sciences
Content Type	Text
Resource Type	Article
Subject	Horticulture

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