scholarly journals Cytokinin response factors integrate auxin and cytokinin pathways for female reproductive organ development

Development ◽  
2016 ◽  
Vol 143 (23) ◽  
pp. 4419-4424 ◽  
Author(s):  
Mara Cucinotta ◽  
Silvia Manrique ◽  
Andrea Guazzotti ◽  
Nadia E. Quadrelli ◽  
Marta A. Mendes ◽  
...  
Keyword(s):  
Reproductive Organ ◽  
Organ Development ◽  
Response Factors ◽  
Female Reproductive Organ ◽  
Cytokinin Response

scholarly journals Analysis of Male Pheromones That Accelerate Female Reproductive Organ Development

PLoS ONE ◽  
2011 ◽  
Vol 6 (2) ◽  
pp. e16660 ◽  
Author(s):  
Kelly A. Flanagan ◽  
William Webb ◽  
Lisa Stowers
Keyword(s):  
Reproductive Organ ◽  
Organ Development ◽  
Male Pheromones ◽  
Female Reproductive Organ

Clade III cytokinin response factors share common roles in response to oxidative stress responses linked to cytokinin synthesis

2021 ◽  
Vol 72 (8) ◽  
pp. 3294-3306
Author(s):  
Ariel M Hughes ◽  
H Tucker Hallmark ◽  
Lenka Plačková ◽  
Ondrej Novák ◽  
Aaron M Rashotte
Keyword(s):  
Oxidative Stress ◽  
Transcription Factors ◽  
Stress Response ◽  
Stress Responses ◽  
Oxidative Stress Response ◽  
Response Factors ◽  
Ontology Term ◽  
Regulated Expression ◽  
Cytokinin Response ◽  
Oxidative Stress Responses

Abstract Cytokinin response factors (CRFs) are transcription factors that are involved in cytokinin (CK) response, as well as being linked to abiotic stress tolerance. In particular, oxidative stress responses are activated by Clade III CRF members, such as AtCRF6. Here we explored the relationships between Clade III CRFs and oxidative stress. Transcriptomic responses to oxidative stress were determined in two Clade III transcription factors, Arabidopsis AtCRF5 and tomato SlCRF5. AtCRF5 was required for regulated expression of >240 genes that are involved in oxidative stress response. Similarly, SlCRF5 was involved in the regulated expression of nearly 420 oxidative stress response genes. Similarities in gene regulation by these Clade III members in response to oxidative stress were observed between Arabidopsis and tomato, as indicated by Gene Ontology term enrichment. CK levels were also changed in response to oxidative stress in both species. These changes were regulated by Clade III CRFs. Taken together, these findings suggest that Clade III CRFs play a role in oxidative stress response as well as having roles in CK signaling.

scholarly journals Spliceosomal Protein Gene BmSPX Regulates Reproductive Organ Development in Bombyx mori

2020 ◽  
Vol 21 (7) ◽  
pp. 2579
Author(s):  
Yao Wang ◽  
Juan Li ◽  
Qiu-Xing Wan ◽  
Qin Zhao ◽  
Kai-Xuan Wang ◽  
...  
Keyword(s):  
Sex Determination ◽  
Bombyx Mori ◽  
Protein Gene ◽  
External Genitalia ◽  
Reproductive Organs ◽  
Reproductive Organ ◽  
Organ Development ◽  
Regulatory Factor ◽  
Transgenic Silkworm ◽  
Spliceosomal Protein

Sex determination and differentiation are nearly universal to all eukaryotic organisms, encompassing diverse systems and mechanisms. Here, we identified a spliceosomal protein gene BmSPX involved in sex determination of the lepidopeteran insect, Bombyx mori. In a transgenic silkworm line that overexpressed the BmSPX gene, transgenic silkworm males exhibited differences in their external genitalia compared to wild-type males, but normal internal genitalia. Additionally, transgenic silkworm females exhibited a developmental disorder of the reproductive organs. Upregulation of BmSPX significantly increased the expression levels of sex-determining genes (BmMasc and BmIMP) and reduced the female-type splice isoform of Bmdsx, which is a key switch gene downstream of the sex-determination pathway. Additionally, co-immunoprecipitation assays confirmed an interaction between the BmSPX protein and BmPSI, an upstream regulatory factor of Bmdsx. Quantitative real-time PCR showed that BmSPX over-expression upregulated the expression of the Hox gene abdominal-B (Adb-B), which is required for specification of the posterior abdomen, external genitalia, and gonads of insects, as well as the genes in the Receptor Tyrosine Kinase (RTK) signaling pathway. In conclusion, our study suggested the involvement of BmSPX, identified as a novel regulatory factor, in the sex-determination pathway and regulation of reproductive organ development in silkworms.

scholarly journals Vascular Expression and C-Terminal Sequence Divergence of Cytokinin Response Factors in Flowering Plants

2012 ◽  
Vol 53 (10) ◽  
pp. 1683-1695 ◽  
Author(s):  
Paul J. Zwack ◽  
Xiuling Shi ◽  
Bruce R. Robinson ◽  
Sarika Gupta ◽  
Margaret A. Compton ◽  
...  
Keyword(s):  
Sequence Divergence ◽  
Flowering Plants ◽  
Terminal Sequence ◽  
Response Factors ◽  
Cytokinin Response ◽  
Vascular Expression
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