Dual function of the transcription factor Ftz-f1 on oviposition in the cockroach Blattella germanica
The transcription factor Ftz-f1 has multiple functions in insect development in a spatial-temporal line. One of these roles is in the insect ovaries, specifically in the regulation of steroidogenic enzymes production. We studied the function of F in Blattella germanica oogenesis, as it shows two mom...
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| Published in: | Insect molecular biology Vol. 32; no. 6; pp. 689 - 702 |
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01-12-2023
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| Abstract | The transcription factor Ftz-f1 has multiple functions in insect development in a spatial-temporal line. One of these roles is in the insect ovaries, specifically in the regulation of steroidogenic enzymes production. We studied the function of F in Blattella germanica oogenesis, as it shows two moments of high expression in ovaries: before the imaginal moult, and just before ovulation in the adult. Injecting dsftz-f1 into adult females, either just after the imaginal moult or just prior to choriogenesis, prevented oviposition, with differences between the two approaches. In 3-day-old adult females treated with dsftz-f1 just after the emergence, the expression of ftz-f1 was not modified, but the steroidogenic genes increased their expression. ftz-f1 transcript levels in the ovaries of 5-day-old dsftz-f1-treated females were significantly depleted, and the expression levels of the same steroidogenic genes began to decrease. These results suggest that Ftz-f1 regulates the expression of steroidogenic genes in B. germanica, with phm possibly being a key target. Ftz-f1 has a different temporal function in the cytoskeleton of follicular cells of the basal ovarian follicles. Early in the gonadotrophic cycle, Ftz-f1 promotes the expression of genes related to the cytoskeleton and muscle proteins, while at the end of the cycle it maintains the expression levels of these genes, thus ensuring correct ovulation. |
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| AbstractList | The transcription factor Ftz‐f1 has multiple functions in insect development in a spatial‐temporal line. One of these roles is in the insect ovaries, specifically in the regulation of steroidogenic enzymes production. We studied the function of F in Blattella germanica oogenesis, as it shows two moments of high expression in ovaries: before the imaginal moult, and just before ovulation in the adult. Injecting dsftz‐f1 into adult females, either just after the imaginal moult or just prior to choriogenesis, prevented oviposition, with differences between the two approaches. In 3‐day‐old adult females treated with dsftz‐f1 just after the emergence, the expression of ftz‐f1 was not modified, but the steroidogenic genes increased their expression. ftz‐f1 transcript levels in the ovaries of 5‐day‐old dsftz‐f1‐treated females were significantly depleted, and the expression levels of the same steroidogenic genes began to decrease. These results suggest that Ftz‐f1 regulates the expression of steroidogenic genes in B. germanica, with phm possibly being a key target. Ftz‐f1 has a different temporal function in the cytoskeleton of follicular cells of the basal ovarian follicles. Early in the gonadotrophic cycle, Ftz‐f1 promotes the expression of genes related to the cytoskeleton and muscle proteins, while at the end of the cycle it maintains the expression levels of these genes, thus ensuring correct ovulation. The transcription factor Ftz‐f1 has multiple functions in insect development in a spatial‐temporal line. One of these roles is in the insect ovaries, specifically in the regulation of steroidogenic enzymes production. We studied the function of F in Blattella germanica oogenesis, as it shows two moments of high expression in ovaries: before the imaginal moult, and just before ovulation in the adult. Injecting ds ftz‐f1 into adult females, either just after the imaginal moult or just prior to choriogenesis, prevented oviposition, with differences between the two approaches. In 3‐day‐old adult females treated with ds ftz‐f1 just after the emergence, the expression of ftz‐f1 was not modified, but the steroidogenic genes increased their expression. ftz‐f1 transcript levels in the ovaries of 5‐day‐old ds ftz‐f1 ‐treated females were significantly depleted, and the expression levels of the same steroidogenic genes began to decrease. These results suggest that Ftz‐f1 regulates the expression of steroidogenic genes in B. germanica , with phm possibly being a key target. Ftz‐f1 has a different temporal function in the cytoskeleton of follicular cells of the basal ovarian follicles. Early in the gonadotrophic cycle, Ftz‐f1 promotes the expression of genes related to the cytoskeleton and muscle proteins, while at the end of the cycle it maintains the expression levels of these genes, thus ensuring correct ovulation. |
| Author | Alborzi, Zeynab Piulachs, Maria-Dolors |
| Author_xml | – sequence: 1 givenname: Zeynab orcidid: 0000-0003-1964-3244 surname: Alborzi fullname: Alborzi, Zeynab organization: Agricultural Entomology, Insect Physiology, Department of Plant Protection, College of Agriculture and Natural Resources, University of Tehran, Karaj, Iran – sequence: 2 givenname: Maria-Dolors orcidid: 0000-0002-4500-2718 surname: Piulachs fullname: Piulachs, Maria-Dolors organization: Institut de Biologia Evolutiva (CSIC-Universitat Pompeu Fabra), Barcelona, Spain |
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| Cites_doi | 10.3390/insects13030228 10.1016/j.isci.2018.05.017 10.1016/j.mce.2005.04.004 10.1016/j.jinsphys.2011.05.009 10.1016/j.ydbio.2005.02.028 10.1016/0092-8674(94)90546-0 10.1073/pnas.2234416100 10.1016/j.ibmb.2020.103407 10.1093/icb/21.3.701 10.1002/jez.2466 10.1016/j.ydbio.2013.11.003 10.1073/pnas.90.7.3004 10.1016/j.ydbio.2023.03.008 10.1371/journal.pone.0008353 10.1016/0022-1910(92)90058-L 10.1016/j.isci.2023.106548 10.1385/1-59259-192-2:365 10.1002/dvdy.21728 10.1093/aesa/44.2.269 10.1111/imb.12541 10.1080/19336934.2017.1291472 10.1111/j.1742-4658.2008.06860.x 10.1093/g3journal/jkab003 10.1098/rsob.150197 10.3390/ijms23169232 10.1016/j.pestbp.2023.105361 10.1016/j.ibmb.2010.11.001 10.1080/09168451.2014.942250 10.1139/z74-178 10.1371/journal.pone.0113850 10.1016/0040-8166(92)90025-3 10.1242/dev.045641 10.1038/srep40234 10.1016/s1097-2765(00)80305-6 10.7554/eLife.54568 10.1006/meth.2001.1262 10.1016/J.JINSPHYS.2010.04.004 10.1016/j.pestbp.2021.105029 10.1371/journal.pgen.1003473 10.1016/j.bbagrm.2014.05.025 10.1186/1471-2164-10-206 10.1038/s41559-017-0459-1 10.1146/annurev-ento-120710-100607 |
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| Snippet | The transcription factor Ftz-f1 has multiple functions in insect development in a spatial-temporal line. One of these roles is in the insect ovaries,... The transcription factor Ftz‐f1 has multiple functions in insect development in a spatial‐temporal line. One of these roles is in the insect ovaries,... |
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| SubjectTerms | Blattella germanica Cockroaches Cytoskeleton Females Follicles Gene expression Genes Insects Molting Oogenesis Ovaries Oviposition Ovulation Pituitary (anterior) Transcription factors |
| Title | Dual function of the transcription factor Ftz-f1 on oviposition in the cockroach Blattella germanica |
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