Reduced expression of selected FASCICLIN-LIKE ARABINOGALACTAN PROTEIN genes associates with the abortion of kernels in field crops of Zea mays (maize) and of Arabidopsis seeds
Abortion of fertilized ovaries at the tip of the ear can generate significant yield losses in maize crops. To investigate the mechanisms involved in this process, 2 maize hybrids were grown in field crops at 2 sowing densities and under 3 irrigation regimes (well-watered control, drought before poll...
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2018
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| Acceso en línea: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01407791_v41_n3_p661_Cagnola http://hdl.handle.net/20.500.12110/paper_01407791_v41_n3_p661_Cagnola |
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paper:paper_01407791_v41_n3_p661_Cagnola2023-06-08T15:11:10Z Reduced expression of selected FASCICLIN-LIKE ARABINOGALACTAN PROTEIN genes associates with the abortion of kernels in field crops of Zea mays (maize) and of Arabidopsis seeds corn drought stress FLA seed abortion drought stress gene expression irrigation maize mutation protein seed sowing sugar Arabidopsis Arabidopsis thaliana Zea mays Arabidopsis protein arabinogalactan proteins glucoside mucoprotein phloroglucinol plant protein Yariv reagent analogs and derivatives Arabidopsis chimera drought drug effect gene expression regulation genetics maize metabolism ovule physiology plant seed pollination transgenic plant Arabidopsis Arabidopsis Proteins Chimera Droughts Gene Expression Regulation, Plant Glucosides Mucoproteins Ovule Phloroglucinol Plant Proteins Plants, Genetically Modified Pollination Seeds Zea mays Abortion of fertilized ovaries at the tip of the ear can generate significant yield losses in maize crops. To investigate the mechanisms involved in this process, 2 maize hybrids were grown in field crops at 2 sowing densities and under 3 irrigation regimes (well-watered control, drought before pollination, and drought during pollination), in all possible combinations. Samples of ear tips were taken 2–6 days after synchronous hand pollination and used for the analysis of gene expression and sugars. Glucose and fructose levels increased in kernels with high abortion risk. Several FASCICLIN-LIKE ARABINOGALACTAN PROTEIN (FLA) genes showed negative correlation with abortion. The expression of ZmFLA7 responded to drought only at the tip of the ear. The abundance of arabinogalactan protein (AGP) glycan epitopes decreased with drought and pharmacological treatments that reduce AGP activity enhanced the abortion of fertilized ovaries. Drought also reduced the expression of AthFLA9 in the siliques of Arabidopsis thaliana. Gain- and loss-of-function mutants of Arabidopsis showed a negative correlation between AthFLA9 and seed abortion. On the basis of gene expression patterns, pharmacological, and genetic evidence, we propose that stress-induced reductions in the expression of selected FLA genes enhance abortion of fertilized ovaries in maize and Arabidopsis. © 2018 John Wiley & Sons Ltd 2018 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01407791_v41_n3_p661_Cagnola http://hdl.handle.net/20.500.12110/paper_01407791_v41_n3_p661_Cagnola |
| institution |
Universidad de Buenos Aires |
| institution_str |
I-28 |
| repository_str |
R-134 |
| collection |
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) |
| topic |
corn drought stress FLA seed abortion drought stress gene expression irrigation maize mutation protein seed sowing sugar Arabidopsis Arabidopsis thaliana Zea mays Arabidopsis protein arabinogalactan proteins glucoside mucoprotein phloroglucinol plant protein Yariv reagent analogs and derivatives Arabidopsis chimera drought drug effect gene expression regulation genetics maize metabolism ovule physiology plant seed pollination transgenic plant Arabidopsis Arabidopsis Proteins Chimera Droughts Gene Expression Regulation, Plant Glucosides Mucoproteins Ovule Phloroglucinol Plant Proteins Plants, Genetically Modified Pollination Seeds Zea mays |
| spellingShingle |
corn drought stress FLA seed abortion drought stress gene expression irrigation maize mutation protein seed sowing sugar Arabidopsis Arabidopsis thaliana Zea mays Arabidopsis protein arabinogalactan proteins glucoside mucoprotein phloroglucinol plant protein Yariv reagent analogs and derivatives Arabidopsis chimera drought drug effect gene expression regulation genetics maize metabolism ovule physiology plant seed pollination transgenic plant Arabidopsis Arabidopsis Proteins Chimera Droughts Gene Expression Regulation, Plant Glucosides Mucoproteins Ovule Phloroglucinol Plant Proteins Plants, Genetically Modified Pollination Seeds Zea mays Reduced expression of selected FASCICLIN-LIKE ARABINOGALACTAN PROTEIN genes associates with the abortion of kernels in field crops of Zea mays (maize) and of Arabidopsis seeds |
| topic_facet |
corn drought stress FLA seed abortion drought stress gene expression irrigation maize mutation protein seed sowing sugar Arabidopsis Arabidopsis thaliana Zea mays Arabidopsis protein arabinogalactan proteins glucoside mucoprotein phloroglucinol plant protein Yariv reagent analogs and derivatives Arabidopsis chimera drought drug effect gene expression regulation genetics maize metabolism ovule physiology plant seed pollination transgenic plant Arabidopsis Arabidopsis Proteins Chimera Droughts Gene Expression Regulation, Plant Glucosides Mucoproteins Ovule Phloroglucinol Plant Proteins Plants, Genetically Modified Pollination Seeds Zea mays |
| description |
Abortion of fertilized ovaries at the tip of the ear can generate significant yield losses in maize crops. To investigate the mechanisms involved in this process, 2 maize hybrids were grown in field crops at 2 sowing densities and under 3 irrigation regimes (well-watered control, drought before pollination, and drought during pollination), in all possible combinations. Samples of ear tips were taken 2–6 days after synchronous hand pollination and used for the analysis of gene expression and sugars. Glucose and fructose levels increased in kernels with high abortion risk. Several FASCICLIN-LIKE ARABINOGALACTAN PROTEIN (FLA) genes showed negative correlation with abortion. The expression of ZmFLA7 responded to drought only at the tip of the ear. The abundance of arabinogalactan protein (AGP) glycan epitopes decreased with drought and pharmacological treatments that reduce AGP activity enhanced the abortion of fertilized ovaries. Drought also reduced the expression of AthFLA9 in the siliques of Arabidopsis thaliana. Gain- and loss-of-function mutants of Arabidopsis showed a negative correlation between AthFLA9 and seed abortion. On the basis of gene expression patterns, pharmacological, and genetic evidence, we propose that stress-induced reductions in the expression of selected FLA genes enhance abortion of fertilized ovaries in maize and Arabidopsis. © 2018 John Wiley & Sons Ltd |
| title |
Reduced expression of selected FASCICLIN-LIKE ARABINOGALACTAN PROTEIN genes associates with the abortion of kernels in field crops of Zea mays (maize) and of Arabidopsis seeds |
| title_short |
Reduced expression of selected FASCICLIN-LIKE ARABINOGALACTAN PROTEIN genes associates with the abortion of kernels in field crops of Zea mays (maize) and of Arabidopsis seeds |
| title_full |
Reduced expression of selected FASCICLIN-LIKE ARABINOGALACTAN PROTEIN genes associates with the abortion of kernels in field crops of Zea mays (maize) and of Arabidopsis seeds |
| title_fullStr |
Reduced expression of selected FASCICLIN-LIKE ARABINOGALACTAN PROTEIN genes associates with the abortion of kernels in field crops of Zea mays (maize) and of Arabidopsis seeds |
| title_full_unstemmed |
Reduced expression of selected FASCICLIN-LIKE ARABINOGALACTAN PROTEIN genes associates with the abortion of kernels in field crops of Zea mays (maize) and of Arabidopsis seeds |
| title_sort |
reduced expression of selected fasciclin-like arabinogalactan protein genes associates with the abortion of kernels in field crops of zea mays (maize) and of arabidopsis seeds |
| publishDate |
2018 |
| url |
https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01407791_v41_n3_p661_Cagnola http://hdl.handle.net/20.500.12110/paper_01407791_v41_n3_p661_Cagnola |
| _version_ |
1768541885455925248 |