ArticlePlant physiology2014
Unequal redundancy in maize knotted1 homeobox genes.
Article in Plant physiology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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Who cites it
16 citing papers in PubMed, 27 citations in OpenAlex.
- A maize semi-dwarf mutant reveals a GRAS transcription factor involved in brassinosteroid signaling.Plant physiology · 2024Article
- Novel insights into maize (Zea mays) development and organogenesis for agricultural optimization.Planta · 2023Review
- Genome-Wide Identification of Wheat KNOX Gene Family and Functional Characterization ofInternational journal of molecular sciences · 2022Article
- Co-option of the SHOOT MERISTEMLESS network regulates protocorm-like body development in Phalaenopsis aphrodite.Plant physiology · 2022Article
- The power of classic maize mutants: Driving forward our fundamental understanding of plants.The Plant cell · 2022Review
- Genome-wide analysis of TALE superfamily in Triticum aestivum reveals TaKNOX11-A is involved in abiotic stress response.BMC genomics · 2022Article
- Trafficking and localization ofCommunicative & integrative biology · 2022Article
- Improving architectural traits of maize inflorescences.Molecular breeding : new strategies in plant improvement · 2021Article
- Developmental genetics of maize vegetative shoot architecture.Molecular breeding : new strategies in plant improvement · 2021Article
- KNOTTED1 Cofactors, BLH12 and BLH14, Regulate Internode Patterning and Vein Anastomosis in Maize.The Plant cell · 2017Article
- Expression of theFrontiers in plant science · 2017Article
- Identification and Overexpression of a Knotted1-Like Transcription Factor in Switchgrass (Panicum virgatum L.) for Lignocellulosic Feedstock Improvement.Frontiers in plant science · 2016Article
- Alternate wiring of a KNOXI genetic network underlies differences in leaf development of A. thaliana and C. hirsuta.Genes & development · 2015Article
- FASCIATED EAR4 encodes a bZIP transcription factor that regulates shoot meristem size in maize.The Plant cell · 2015Article
- Genetic control of maize shoot apical meristem architecture.G3 (Bethesda, Md.) · 2014Article
- STM/BP-Like KNOXI Is Uncoupled from ARP in the Regulation of Compound Leaf Development in Medicago truncatula.The Plant cell · 2014Article
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Authors and funding
4 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The knotted1 (kn1) homeobox (knox) gene family was first identified through gain-of-function dominant mutants in maize (Zea mays). Class I knox members are expressed in meristems but excluded from leaves. In maize, a loss-of-function phenotype has only been characterized for kn1. To assess the function of another knox member, we characterized a loss-of-function mutation of rough sheath1 (rs1). rs1-mum1 has no phenotype alone but exacerbates several aspects of the kn1 phenotype. In permissive backgrounds in which kn1 mutants grow to maturity, loss of a single copy of rs1 enhances the tassel branch reduction phenotype, while loss of both copies results in limited shoots. In less introgressed lines, double mutants can grow to maturity but are shorter. Using a KNOX antibody, we demonstrate that RS1 binds in vivo to some of the KN1 target genes, which could partially explain why KN1 binds many genes but modulates few. Our results demonstrate an unequal redundancy between knox genes, with a role for rs1 only revealed in the complete absence of kn1.
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