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Title: The ADAXIALIZED LEAF1 gene functions in leaf and embryonic pattern formation in rice .
Author: Hibara K Obara M Hayashida E Abe M Ishimaru T Satoh H Itoh J Nagato Y
Journal: Dev Biol Citation: V : 334 P : 345-54 Year: 2009 Type: MEDLINE
Literature: oryza Field: abstract Doc ID: pub19665012 Accession (PMID): 19665012
Abstract: The adaxial-abaxial axis in leaf primordia is thought to be established first and is necessary for the expansion of the leaf lamina along the mediolateral axis . To understand axis information in leaf development , we isolated the adaxialized leaf1 ( adl1 ) mutant in rice , which forms abaxially rolled leaves . adl1 leaves are covered with bulliform-like cells , which are normally distributed only on the adaxial surface . An adl1 double mutant with the adaxially snowy leaf mutant , which has albino cells that specifically appear in the abaxial mesophyll it issue , indicated that adl1 leaves show adaxialization in both epidermal and mesophyll it issues . The expression of HD-ZIPIII genes in adl1 mutant increased in mature leaves , but not in the young primordia or the SAM . This indicated that ADL1 may not be directly involved in determining initial leaf polarity , but rather is associated with the maintenance of axis information . ADL1 encodes a plant-specific calpain-like cysteine proteinase orthologous to maize DEFECTIVE KERNEL1 . Furthermore , we identified intermediate and strong alleles of the adl1 mutant that generate shootless embryos and globular-arrested embryos with aleurone layer loss , respectively . We propose that ADL1 plays an important role in pattern formation of the leaf and embryo by promoting proper epidermal development .
Matching Sentences:
[ Sen. 2, subscore: 2.00 ]: To understand axis information in leaf development , we isolated the adaxialized leaf1 ( adl1 ) mutant in rice , which forms abaxially rolled leaves . adl1 leaves are covered with bulliform-like cells , which are normally distributed only on the adaxial surface .
[ Sen. 3, subscore: 2.00 ]: An adl1 double mutant with the adaxially snowy leaf mutant , which has albino cells that specifically appear in the abaxial mesophyll it issue , indicated that adl1 leaves show adaxialization in both epidermal and mesophyll it issues .
[ Sen. 4, subscore: 1.00 ]: The expression of HD-ZIPIII genes in adl1 mutant increased in mature leaves , but not in the young primordia or the SAM .
[ Sen. 5, subscore: 1.00 ]: This indicated that ADL1 may not be directly involved in determining initial leaf polarity , but rather is associated with the maintenance of axis information .
[ Sen. 6, subscore: 1.00 ]: ADL1 encodes a plant-specific calpain-like cysteine proteinase orthologous to maize DEFECTIVE KERNEL1 .
[ Sen. 7, subscore: 1.00 ]: Furthermore , we identified intermediate and strong alleles of the adl1 mutant that generate shootless embryos and globular-arrested embryos with aleurone layer loss , respectively .
[ Sen. 8, subscore: 1.00 ]: We propose that ADL1 plays an important role in pattern formation of the leaf and embryo by promoting proper epidermal development .
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