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Research Article
Ning Guo
Anhui Agricultural University
Corresponding Author
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Background: With the continuous growth of population, the demand for fiber is also rising sharply. As one of the main fiber plants in the world, cotton fiber yield of upland cotton is affected by boll abscission, which is related to the formation of abscission zone. Therefore, we explored the formation of the abscission zone of upland cotton.
Result: The formation of abscission layer of cotton boll stalk was promoted by exogenous ethylene. It was found that both the number of Golgi apparatus and the number of stacking layers increased in the dissociated cells. The GhArfGAP gene family in upland cotton was screened by bioinformatics method, and the species and evolutionary relationship of GhArfGAP gene family were analyzed. qRT-PCR showed that the expression patterns of GhArfGAP13,GhArfGAP15, GhArfGAP25 and GhArfGAP34 in cotton were spatiotemporal specific. Subcellular localization suggested that GhArfGAP25 played a role in Golgi apparatus . The expression of GhArfGAP25 in transgenic Arabidopsis increased in the root, stem and leaf.
Conclusions: Ethylene could induce the formation of abscission zone in upland cotton. GhArfGAP13,GhArfGAP15,GhArfGAP25,GhArfGAP34 might regulate the changes of Golgi apparatus in abscisson zone.Taken together the findings provide new ideas for the study of cotton abscission formation.
Keywords
upland cotton, abscission zone, GhArfGAP, Golgi apparatus
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No competing interests reported.
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This preprint is under consideration at BMC Plant Biology. A preprint is a preliminary version of a manuscript that has not completed peer review at a journal. Research Square does not conduct peer review prior to posting preprints. The posting of a preprint on this server should not be interpreted as an endorsement of its validity or suitability for dissemination as established information or for guiding clinical practice.
Learn more about In Review
Research Article
Ning Guo
Anhui Agricultural University
Corresponding Author
Badges
Prescreen
This manuscript passed our Prescreen assessment
Complete author information
Appropriate declaration statements
Potential risks to human health
Prescreen
Peer Review Timeline
CURRENT STATUS: Under Review
Version 1
Posted 03 Jun, 2021
No community comments so far
Reviews received
Received 06 Jun, 2021
Reviewers agreed
On 03 Jun, 2021
Reviewers invited
Invitations sent on 03 Jun, 2021
Editor assigned
On 31 May, 2021
Editor invited
On 31 May, 2021
Submission checks complete
On 31 May, 2021
First submitted
On 24 May, 2021
Metrics
Comments: 0
PDF Downloads: ...
HTML Views: ...
License:
This work is licensed under a CC BY 4.0 License. Read Full License
Background: With the continuous growth of population, the demand for fiber is also rising sharply. As one of the main fiber plants in the world, cotton fiber yield of upland cotton is affected by boll abscission, which is related to the formation of abscission zone. Therefore, we explored the formation of the abscission zone of upland cotton.
Result: The formation of abscission layer of cotton boll stalk was promoted by exogenous ethylene. It was found that both the number of Golgi apparatus and the number of stacking layers increased in the dissociated cells. The GhArfGAP gene family in upland cotton was screened by bioinformatics method, and the species and evolutionary relationship of GhArfGAP gene family were analyzed. qRT-PCR showed that the expression patterns of GhArfGAP13,GhArfGAP15, GhArfGAP25 and GhArfGAP34 in cotton were spatiotemporal specific. Subcellular localization suggested that GhArfGAP25 played a role in Golgi apparatus . The expression of GhArfGAP25 in transgenic Arabidopsis increased in the root, stem and leaf.
Conclusions: Ethylene could induce the formation of abscission zone in upland cotton. GhArfGAP13,GhArfGAP15,GhArfGAP25,GhArfGAP34 might regulate the changes of Golgi apparatus in abscisson zone.Taken together the findings provide new ideas for the study of cotton abscission formation.
Figure 1
Figure 2
Figure 3
Figure 4
Figure 5
Figure 6
Figure 7
Figure 8
Figure 9
Figure 10
Figure 11
Figure 12
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