Compartment and cell-type specific hypoxia responses in the developing Drosophila brain

Baccino, Martín - Prieto Mena, Daniel - Cantera, Rafael - Egger, Boris

Resumen:

Environmental factors such as the availability of oxygen are instructive cues that regulate stem cell maintenance and differentiation. We used a genetically encoded biosensor to monitor the hypoxic state of neural cells in the larval brain of Drosophila. The biosensor reveals brain compartment and cell-type specific levels of hypoxia. The values correlate with differential tracheolation that is observed throughout development between the central brain and the optic lobe. Neural stem cells in both compartments show the strongest hypoxia response while intermediate progenitors, neurons and glial cells reveal weaker responses. We demonstrate that the distance between a cell and the next closest tracheole is a good predictor of the hypoxic state of that cell. Our study indicates that oxygen availability appears to be the major factor controlling the hypoxia response in the developing Drosophila brain and that cell intrinsic and cell-type specific factors contribute to modulate the response in an unexpected manner.


Detalles Bibliográficos
2020
ANII: FCE_3_2013_1_100732
Drosophila
Brain development
Hypoxia
Neural stem cell
Tracheolation
Inglés
Universidad de la República
COLIBRI
https://hdl.handle.net/20.500.12008/31353
Acceso abierto
Licencia Creative Commons Atribución (CC - By 4.0)
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author Baccino, Martín
author2 Prieto Mena, Daniel
Cantera, Rafael
Egger, Boris
author2_role author
author
author
author_facet Baccino, Martín
Prieto Mena, Daniel
Cantera, Rafael
Egger, Boris
author_role author
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collection COLIBRI
dc.contributor.filiacion.none.fl_str_mv Baccino Martín, IIBCE
Prieto Mena Daniel, IIBCE
Cantera Rafael, IIBCE
Egger Boris, Universidad de Friburgo (Suiza)
dc.creator.none.fl_str_mv Baccino, Martín
Prieto Mena, Daniel
Cantera, Rafael
Egger, Boris
dc.date.accessioned.none.fl_str_mv 2022-04-28T13:49:09Z
dc.date.available.none.fl_str_mv 2022-04-28T13:49:09Z
dc.date.issued.none.fl_str_mv 2020
dc.description.abstract.none.fl_txt_mv Environmental factors such as the availability of oxygen are instructive cues that regulate stem cell maintenance and differentiation. We used a genetically encoded biosensor to monitor the hypoxic state of neural cells in the larval brain of Drosophila. The biosensor reveals brain compartment and cell-type specific levels of hypoxia. The values correlate with differential tracheolation that is observed throughout development between the central brain and the optic lobe. Neural stem cells in both compartments show the strongest hypoxia response while intermediate progenitors, neurons and glial cells reveal weaker responses. We demonstrate that the distance between a cell and the next closest tracheole is a good predictor of the hypoxic state of that cell. Our study indicates that oxygen availability appears to be the major factor controlling the hypoxia response in the developing Drosophila brain and that cell intrinsic and cell-type specific factors contribute to modulate the response in an unexpected manner.
dc.description.es.fl_txt_mv Material suplementario: https://bio.biologists.org/lookup/doi/10.1242/bio.053629.supplemental
dc.description.sponsorship.none.fl_txt_mv ANII: FCE_3_2013_1_100732
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dc.format.mimetype.es.fl_str_mv application/pdf
dc.identifier.citation.es.fl_str_mv Baccino, M, Prieto Mena, D, Cantera, R y otros "Compartment and cell-type specific hypoxia responses in the developing Drosophila brain". Biology Open. [en línea] 2020, 9: bio053629. doi: 10.1242/bio.053629
dc.identifier.doi.none.fl_str_mv 10.1242/bio.053629
dc.identifier.issn.none.fl_str_mv 2046-6390
dc.identifier.uri.none.fl_str_mv https://hdl.handle.net/20.500.12008/31353
dc.language.iso.none.fl_str_mv en
eng
dc.publisher.es.fl_str_mv The Company of Biologists
dc.relation.ispartof.es.fl_str_mv Biology Open, 2020, 9: bio053629
dc.rights.license.none.fl_str_mv Licencia Creative Commons Atribución (CC - By 4.0)
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
dc.source.none.fl_str_mv reponame:COLIBRI
instname:Universidad de la República
instacron:Universidad de la República
dc.subject.es.fl_str_mv Drosophila
Brain development
Hypoxia
Neural stem cell
Tracheolation
dc.title.none.fl_str_mv Compartment and cell-type specific hypoxia responses in the developing Drosophila brain
dc.type.es.fl_str_mv Artículo
dc.type.none.fl_str_mv info:eu-repo/semantics/article
dc.type.version.none.fl_str_mv info:eu-repo/semantics/publishedVersion
description Material suplementario: https://bio.biologists.org/lookup/doi/10.1242/bio.053629.supplemental
eu_rights_str_mv openAccess
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identifier_str_mv Baccino, M, Prieto Mena, D, Cantera, R y otros "Compartment and cell-type specific hypoxia responses in the developing Drosophila brain". Biology Open. [en línea] 2020, 9: bio053629. doi: 10.1242/bio.053629
2046-6390
10.1242/bio.053629
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institution Universidad de la República
instname_str Universidad de la República
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publishDate 2020
reponame_str COLIBRI
repository.mail.fl_str_mv mabel.seroubian@seciu.edu.uy
repository.name.fl_str_mv COLIBRI - Universidad de la República
repository_id_str 4771
rights_invalid_str_mv Licencia Creative Commons Atribución (CC - By 4.0)
spelling Baccino Martín, IIBCEPrieto Mena Daniel, IIBCECantera Rafael, IIBCEEgger Boris, Universidad de Friburgo (Suiza)2022-04-28T13:49:09Z2022-04-28T13:49:09Z2020Baccino, M, Prieto Mena, D, Cantera, R y otros "Compartment and cell-type specific hypoxia responses in the developing Drosophila brain". Biology Open. [en línea] 2020, 9: bio053629. doi: 10.1242/bio.0536292046-6390https://hdl.handle.net/20.500.12008/3135310.1242/bio.053629Material suplementario: https://bio.biologists.org/lookup/doi/10.1242/bio.053629.supplementalEnvironmental factors such as the availability of oxygen are instructive cues that regulate stem cell maintenance and differentiation. We used a genetically encoded biosensor to monitor the hypoxic state of neural cells in the larval brain of Drosophila. The biosensor reveals brain compartment and cell-type specific levels of hypoxia. The values correlate with differential tracheolation that is observed throughout development between the central brain and the optic lobe. Neural stem cells in both compartments show the strongest hypoxia response while intermediate progenitors, neurons and glial cells reveal weaker responses. We demonstrate that the distance between a cell and the next closest tracheole is a good predictor of the hypoxic state of that cell. Our study indicates that oxygen availability appears to be the major factor controlling the hypoxia response in the developing Drosophila brain and that cell intrinsic and cell-type specific factors contribute to modulate the response in an unexpected manner.Submitted by Faget Cecilia (lfaget@fcien.edu.uy) on 2022-04-26T12:56:53Z No. of bitstreams: 2 license_rdf: 19875 bytes, checksum: 9fdbed07f52437945402c4e70fa4773e (MD5) bio053629.pdf: 7177282 bytes, checksum: 083ed86ad1516709fe73d59f9610e12d (MD5)Approved for entry into archive by Faget Cecilia (lfaget@fcien.edu.uy) on 2022-04-27T17:58:40Z (GMT) No. of bitstreams: 2 license_rdf: 19875 bytes, checksum: 9fdbed07f52437945402c4e70fa4773e (MD5) bio053629.pdf: 7177282 bytes, checksum: 083ed86ad1516709fe73d59f9610e12d (MD5)Made available in DSpace by Luna Fabiana (fabiana.luna@seciu.edu.uy) on 2022-04-28T13:49:09Z (GMT). No. of bitstreams: 2 license_rdf: 19875 bytes, checksum: 9fdbed07f52437945402c4e70fa4773e (MD5) bio053629.pdf: 7177282 bytes, checksum: 083ed86ad1516709fe73d59f9610e12d (MD5) Previous issue date: 2020ANII: FCE_3_2013_1_10073212 happlication/pdfenengThe Company of BiologistsBiology Open, 2020, 9: bio053629Las obras depositadas en el Repositorio se rigen por la Ordenanza de los Derechos de la Propiedad Intelectual de la Universidad de la República.(Res. Nº 91 de C.D.C. de 8/III/1994 – D.O. 7/IV/1994) y por la Ordenanza del Repositorio Abierto de la Universidad de la República (Res. Nº 16 de C.D.C. de 07/10/2014)info:eu-repo/semantics/openAccessLicencia Creative Commons Atribución (CC - By 4.0)DrosophilaBrain developmentHypoxiaNeural stem cellTracheolationCompartment and cell-type specific hypoxia responses in the developing Drosophila brainArtículoinfo:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionreponame:COLIBRIinstname:Universidad de la Repúblicainstacron:Universidad de la RepúblicaBaccino, MartínPrieto Mena, DanielCantera, RafaelEgger, BorisLICENSElicense.txtlicense.txttext/plain; charset=utf-84267http://localhost:8080/xmlui/bitstream/20.500.12008/31353/5/license.txt6429389a7df7277b72b7924fdc7d47a9MD55CC-LICENSElicense_urllicense_urltext/plain; charset=utf-844http://localhost:8080/xmlui/bitstream/20.500.12008/31353/2/license_urla0ebbeafb9d2ec7cbb19d7137ebc392cMD52license_textlicense_texttext/html; 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- Universidad de la Repúblicafalse
spellingShingle Compartment and cell-type specific hypoxia responses in the developing Drosophila brain
Baccino, Martín
Drosophila
Brain development
Hypoxia
Neural stem cell
Tracheolation
status_str publishedVersion
title Compartment and cell-type specific hypoxia responses in the developing Drosophila brain
title_full Compartment and cell-type specific hypoxia responses in the developing Drosophila brain
title_fullStr Compartment and cell-type specific hypoxia responses in the developing Drosophila brain
title_full_unstemmed Compartment and cell-type specific hypoxia responses in the developing Drosophila brain
title_short Compartment and cell-type specific hypoxia responses in the developing Drosophila brain
title_sort Compartment and cell-type specific hypoxia responses in the developing Drosophila brain
topic Drosophila
Brain development
Hypoxia
Neural stem cell
Tracheolation
url https://hdl.handle.net/20.500.12008/31353