Insect photoperiodism: Bünning's hypothesis, the history and development of an idea

In insects, the photoperiodic system comprises a linked sequence of events from photoreception to final seasonally-appropriate phenotypes such as overwintering diapause. The first and last of these events are reasonably well known, but central phenomena such as those distinguishing short from long d...

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Autor principal:	David SAUNDERS
Formato:	article
Lenguaje:	EN
Publicado:	Institute of Entomology, Biology Centre, Czech Academy of Science 2021
Materias:	insects photoperiodism diapause bünning's hypothesis clock models Zoology QL1-991
Acceso en línea:	https://doaj.org/article/43a39a9c84bf414188a404438aaf2279
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spelling	oai:doaj.org-article:43a39a9c84bf414188a404438aaf22792021-11-05T15:23:14ZInsect photoperiodism: Bünning's hypothesis, the history and development of an idea1210-57591802-882910.14411/eje.2021.001https://doaj.org/article/43a39a9c84bf414188a404438aaf22792021-01-01T00:00:00Zhttps://www.eje.cz/artkey/eje-202101-0001_insect_photoperiodism_b_nning_s_hypothesis_the_history_and_development_of_an_idea.phphttps://doaj.org/toc/1210-5759https://doaj.org/toc/1802-8829In insects, the photoperiodic system comprises a linked sequence of events from photoreception to final seasonally-appropriate phenotypes such as overwintering diapause. The first and last of these events are reasonably well known, but central phenomena such as those distinguishing short from long days (time measurement) and the nature, accumulation and transfer of this information through development, metamorphosis and sometimes across generations remains obscure. Bünning's intuitive suggestion that photoperiodic time measurement was a function of the circadian system, made eight decades ago, however, has provided a framework for numerous studies investigating these connections. This review examines the development of Bünning's hypothesis from its origin in plants to the physiology of diapause in insects. Despite considerable inter-species differences, a close and probably causal relationship between circadian rhythmicity and photoperiodism is indicated.David SAUNDERSInstitute of Entomology, Biology Centre, Czech Academy of Sciencearticleinsectsphotoperiodismdiapausebünning's hypothesisclock modelsZoologyQL1-991ENEuropean Journal of Entomology, Vol 118, Iss 1, Pp 1-13 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	insects photoperiodism diapause bünning's hypothesis clock models Zoology QL1-991
spellingShingle	insects photoperiodism diapause bünning's hypothesis clock models Zoology QL1-991 David SAUNDERS Insect photoperiodism: Bünning's hypothesis, the history and development of an idea
description	In insects, the photoperiodic system comprises a linked sequence of events from photoreception to final seasonally-appropriate phenotypes such as overwintering diapause. The first and last of these events are reasonably well known, but central phenomena such as those distinguishing short from long days (time measurement) and the nature, accumulation and transfer of this information through development, metamorphosis and sometimes across generations remains obscure. Bünning's intuitive suggestion that photoperiodic time measurement was a function of the circadian system, made eight decades ago, however, has provided a framework for numerous studies investigating these connections. This review examines the development of Bünning's hypothesis from its origin in plants to the physiology of diapause in insects. Despite considerable inter-species differences, a close and probably causal relationship between circadian rhythmicity and photoperiodism is indicated.
format	article
author	David SAUNDERS
author_facet	David SAUNDERS
author_sort	David SAUNDERS
title	Insect photoperiodism: Bünning's hypothesis, the history and development of an idea
title_short	Insect photoperiodism: Bünning's hypothesis, the history and development of an idea
title_full	Insect photoperiodism: Bünning's hypothesis, the history and development of an idea
title_fullStr	Insect photoperiodism: Bünning's hypothesis, the history and development of an idea
title_full_unstemmed	Insect photoperiodism: Bünning's hypothesis, the history and development of an idea
title_sort	insect photoperiodism: bünning's hypothesis, the history and development of an idea
publisher	Institute of Entomology, Biology Centre, Czech Academy of Science
publishDate	2021
url	https://doaj.org/article/43a39a9c84bf414188a404438aaf2279
work_keys_str_mv	AT davidsaunders insectphotoperiodismbunningshypothesisthehistoryanddevelopmentofanidea
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Insect photoperiodism: Bünning's hypothesis, the history and development of an idea

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