Antagonistic interactions between CLAVATA receptors shape maize ear development
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| Natura: | Artículo Open Access |
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Wiley
2026
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| author | Penelope L. Lindsay Fang Xu Lei Liu Panagiotis Boumpas Andres Reyes Byoung‐Il Je Mari Ogawa‐Ohnishi Jarrett Man Tara Skopelitis Yoshikatsu Matsubayashi Madelaine Bartlett Shou‐Ling Xu David Jackson |
| author_facet | Penelope L. Lindsay Fang Xu Lei Liu Panagiotis Boumpas Andres Reyes Byoung‐Il Je Mari Ogawa‐Ohnishi Jarrett Man Tara Skopelitis Yoshikatsu Matsubayashi Madelaine Bartlett Shou‐Ling Xu David Jackson Penelope L. Lindsay Fang Xu Lei Liu Panagiotis Boumpas Andres Reyes Byoung‐Il Je Mari Ogawa‐Ohnishi Jarrett Man Tara Skopelitis Yoshikatsu Matsubayashi Madelaine Bartlett Shou‐Ling Xu David Jackson |
| collection | Wiley Open Access |
| contents | Antagonistic interactions between CLAVATA receptors shape maize ear development Penelope L. Lindsay Fang Xu Lei Liu Panagiotis Boumpas Andres Reyes Byoung‐Il Je Mari Ogawa‐Ohnishi Jarrett Man Tara Skopelitis Yoshikatsu Matsubayashi Madelaine Bartlett Shou‐Ling Xu David Jackson New Phytologist Summary Meristem activity is controlled by the CLAVATA (CLV) signaling pathway, which involves a suite of leucine‐rich receptor (LRR) receptors, receptor‐like proteins, and CLV‐EMBRYO SURROUNDING REGION (CLE) peptide ligands. FASCIATED EAR 3 (FEA3) is a leucine‐rich receptor (LRR) receptor‐like protein important for meristem maintenance in maize and acts independently of canonical CLV receptors. To identify FEA3's interaction network, we used TurboID‐based proximity labeling in Zea mays meristems and identified a putative co‐receptor, BARELY ANY MERISTEM 1D (BAM1D). BAM1D and FEA3 proximity labeling proteomes shared over 40 proteins, including many signaling proteins, suggesting they feed into a common signaling pathway. fea3 was epistatic to bam1d in the control of inflorescence meristem (IM) size, supporting the idea that FEA3 and BAM1D interact physically. However, fea3 and bam1d act antagonistically because fea3 mutants had larger IMs, whereas bam1d mutants produced smaller IMs. This study demonstrates how in vivo TurboID‐based proximity labeling clarifies complex genetic interactions between CLV receptors and expands our knowledge of downstream signaling components of CLV signaling pathways, which are largely uncharacterized. Our findings support the notion that multiple, partially overlapping CLV receptor complexes coordinately control meristem maintenance. 10.1111/nph.70950 http://onlinelibrary.wiley.com/termsAndConditions#vor |
| doi_str_mv | 10.1111/nph.70950 |
| format | Artículo Open Access |
| id | wiley_oa_10_1111_nph_70950 |
| institution | Wiley Open Access |
| license_str_mv | http://onlinelibrary.wiley.com/termsAndConditions#vor |
| publishDate | 2026 |
| publisher | Wiley |
| record_format | wiley_oa |
| spellingShingle | Antagonistic interactions between CLAVATA receptors shape maize ear development Penelope L. Lindsay Fang Xu Lei Liu Panagiotis Boumpas Andres Reyes Byoung‐Il Je Mari Ogawa‐Ohnishi Jarrett Man Tara Skopelitis Yoshikatsu Matsubayashi Madelaine Bartlett Shou‐Ling Xu David Jackson New Phytologist Antagonistic interactions between CLAVATA receptors shape maize ear development Penelope L. Lindsay Fang Xu Lei Liu Panagiotis Boumpas Andres Reyes Byoung‐Il Je Mari Ogawa‐Ohnishi Jarrett Man Tara Skopelitis Yoshikatsu Matsubayashi Madelaine Bartlett Shou‐Ling Xu David Jackson New Phytologist Summary Meristem activity is controlled by the CLAVATA (CLV) signaling pathway, which involves a suite of leucine‐rich receptor (LRR) receptors, receptor‐like proteins, and CLV‐EMBRYO SURROUNDING REGION (CLE) peptide ligands. FASCIATED EAR 3 (FEA3) is a leucine‐rich receptor (LRR) receptor‐like protein important for meristem maintenance in maize and acts independently of canonical CLV receptors. To identify FEA3's interaction network, we used TurboID‐based proximity labeling in Zea mays meristems and identified a putative co‐receptor, BARELY ANY MERISTEM 1D (BAM1D). BAM1D and FEA3 proximity labeling proteomes shared over 40 proteins, including many signaling proteins, suggesting they feed into a common signaling pathway. fea3 was epistatic to bam1d in the control of inflorescence meristem (IM) size, supporting the idea that FEA3 and BAM1D interact physically. However, fea3 and bam1d act antagonistically because fea3 mutants had larger IMs, whereas bam1d mutants produced smaller IMs. This study demonstrates how in vivo TurboID‐based proximity labeling clarifies complex genetic interactions between CLV receptors and expands our knowledge of downstream signaling components of CLV signaling pathways, which are largely uncharacterized. Our findings support the notion that multiple, partially overlapping CLV receptor complexes coordinately control meristem maintenance. 10.1111/nph.70950 http://onlinelibrary.wiley.com/termsAndConditions#vor |
| title | Antagonistic interactions between CLAVATA receptors shape maize ear development |
| topic | New Phytologist |
| url | https://nph.onlinelibrary.wiley.com/doi/10.1111/nph.70950 |