ArticleThe Plant cell2008
The milkweed pod1 gene encodes a KANADI protein that is required for abaxial/adaxial patterning in maize leaves.
Article in The Plant cell, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 47 papers.
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47 citing papers in PubMed, 94 citations in OpenAlex.
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- Combined linkage mapping and association analysis uncovers candidate genes for 25 leaf-related traits across three environments in maize.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2023Article
- Genetic basis of sorghum leaf width and its potential as a surrogate for transpiration efficiency.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2022Article
- Melon shoot organization 1, encoding an AGRONAUTE7 protein, plays a crucial role in plant development.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2022Article
- Developmental regulation of leaf venation patterns: monocot versus eudicots and the role of auxin.The New phytologist · 2022Review
- An in situ sequencing approach maps PLASTOCHRON1 at the boundary between indeterminate and determinate cells.Plant physiology · 2022Article
- Genome-Wide Identification and Characterization ofFrontiers in plant science · 2022Article
- Expression analyses in Ginkgo biloba provide new insights into the evolution and development of the seed.Scientific reports · 2021Article
- The SvFUL2 transcription factor is required for inflorescence determinacy and timely flowering in Setaria viridis.Plant physiology · 2021Article
- Identification and Fine Mapping of a Locus Related to Leaf Up-Curling Trait (Bnuc3) inInternational journal of molecular sciences · 2021Article
- Micromorphology and monolignols of leaf epidermis in Phragmites australis (Poaceae) of air-aquatic and terrestrial ecotypes.Protoplasma · 2021Article
- Genome-wide identification and expression analysis of the 2OG-Fe(II) oxygenase gene family in upland cotton (Physiology and molecular biology of plants : an international journal of functional plant biology · 2021Article
- Deciphering the evolution of the ovule genetic network through expression analyses in Gnetum gnemon.Annals of botany · 2021Article
- Evidence for phloem loading via the abaxial bundle sheath cells in maize leaves.The Plant cell · 2021Article
Corrections and comments
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Authors and funding
5 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Leaf primordia initiate from the shoot apical meristem with inherent polarity; the adaxial side faces the meristem, while the abaxial side faces away from the meristem. Adaxial/abaxial polarity is thought to be necessary for laminar growth of leaves, as mutants lacking either adaxial or abaxial cell types often develop radially symmetric lateral organs. The milkweed pod1 (mwp1) mutant of maize (Zea mays) has adaxialized sectors in the sheath, the proximal part of the leaf. Ectopic leaf flaps develop where adaxial and abaxial cell types juxtapose. Ectopic expression of the HD-ZIPIII gene rolled leaf1 (rld1) correlates with the adaxialized regions. Cloning of mwp1 showed that it encodes a KANADI transcription factor. Double mutants of mwp1-R with a microRNA-resistant allele of rld1, Rld1-N1990, show a synergistic phenotype with polarity defects in sheath and blade and a failure to differentiate vascular and photosynthetic cell types in the adaxialized sectors. The sectored phenotype and timing of the defect suggest that mwp1 is required late in leaf development to maintain abaxial cell fate. The phenotype of mwp1; Rld1 double mutants shows that both genes are also required early in leaf development to delineate leaf margins as well as to initiate vascular and photosynthetic tissues.
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