ngl9: A Third MADS Box Gene Expressed in Alfalfa Root Nodules
Expression of MADS box genes has previously been localized to the infected cells of alfalfa (Medicago sativa) root nodules. These genes represent the first putative transcription factors to be identified in nodules and are hypothesized to be involved in a signal transduction pathway initiated by the...
| Main Authors: | , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
The American Phytopathological Society
2001-12-01
|
| Series: | Molecular Plant-Microbe Interactions |
| Online Access: | https://apsjournals.apsnet.org/doi/10.1094/MPMI.2001.14.12.1463 |
| _version_ | 1811287222485254144 |
|---|---|
| author | Joseph C. Zucchero Michal Caspi Kathleen Dunn |
| author_facet | Joseph C. Zucchero Michal Caspi Kathleen Dunn |
| author_sort | Joseph C. Zucchero |
| collection | DOAJ |
| description | Expression of MADS box genes has previously been localized to the infected cells of alfalfa (Medicago sativa) root nodules. These genes represent the first putative transcription factors to be identified in nodules and are hypothesized to be involved in a signal transduction pathway initiated by the intracellular bacterium. The eventual activation of specific target genes defines pertinent characteristics of this nitrogen-fixing differentiated cell. In this study, we identify a third nodule MADS box gene, ngl9, and demonstrate that the DNA-binding activity of its protein product is dependent on the presence of a second MADS box protein, NMH7. Despite previous results to the contrary, both genes are expressed in the early stages of flower development, further strengthening the premise that nodule developmental programming may capitalize upon existing developmental cascades. |
| first_indexed | 2024-04-13T03:14:56Z |
| format | Article |
| id | doaj.art-116d80daf6404a42a69d2d91ab8715e4 |
| institution | Directory Open Access Journal |
| issn | 0894-0282 1943-7706 |
| language | English |
| last_indexed | 2024-04-13T03:14:56Z |
| publishDate | 2001-12-01 |
| publisher | The American Phytopathological Society |
| record_format | Article |
| series | Molecular Plant-Microbe Interactions |
| spelling | doaj.art-116d80daf6404a42a69d2d91ab8715e42022-12-22T03:04:56ZengThe American Phytopathological SocietyMolecular Plant-Microbe Interactions0894-02821943-77062001-12-0114121463146710.1094/MPMI.2001.14.12.1463ngl9: A Third MADS Box Gene Expressed in Alfalfa Root NodulesJoseph C. ZuccheroMichal CaspiKathleen DunnExpression of MADS box genes has previously been localized to the infected cells of alfalfa (Medicago sativa) root nodules. These genes represent the first putative transcription factors to be identified in nodules and are hypothesized to be involved in a signal transduction pathway initiated by the intracellular bacterium. The eventual activation of specific target genes defines pertinent characteristics of this nitrogen-fixing differentiated cell. In this study, we identify a third nodule MADS box gene, ngl9, and demonstrate that the DNA-binding activity of its protein product is dependent on the presence of a second MADS box protein, NMH7. Despite previous results to the contrary, both genes are expressed in the early stages of flower development, further strengthening the premise that nodule developmental programming may capitalize upon existing developmental cascades.https://apsjournals.apsnet.org/doi/10.1094/MPMI.2001.14.12.1463 |
| spellingShingle | Joseph C. Zucchero Michal Caspi Kathleen Dunn ngl9: A Third MADS Box Gene Expressed in Alfalfa Root Nodules Molecular Plant-Microbe Interactions |
| title | ngl9: A Third MADS Box Gene Expressed in Alfalfa Root Nodules |
| title_full | ngl9: A Third MADS Box Gene Expressed in Alfalfa Root Nodules |
| title_fullStr | ngl9: A Third MADS Box Gene Expressed in Alfalfa Root Nodules |
| title_full_unstemmed | ngl9: A Third MADS Box Gene Expressed in Alfalfa Root Nodules |
| title_short | ngl9: A Third MADS Box Gene Expressed in Alfalfa Root Nodules |
| title_sort | ngl9 a third mads box gene expressed in alfalfa root nodules |
| url | https://apsjournals.apsnet.org/doi/10.1094/MPMI.2001.14.12.1463 |
| work_keys_str_mv | AT josephczucchero ngl9athirdmadsboxgeneexpressedinalfalfarootnodules AT michalcaspi ngl9athirdmadsboxgeneexpressedinalfalfarootnodules AT kathleendunn ngl9athirdmadsboxgeneexpressedinalfalfarootnodules |