Abstract
Fungi respond and adapt to many environmental signals including light. The photobiology of fungi has been extensively investigated, but in recent years the identification of the first fungal photoreceptor, WC-1 in the ascomycete Neurospora crassa, and the discovery that similar photoreceptors are required for photoreception in other ascomycete, basidiomycete and zygomycete fungi has allowed the molecular characterization of light reception and the early steps of signal transduction in a number of model fungi. This contribution is based on presentations made at the Special Interest Group Meeting on "Fungal Photobiology" held during IMC9. The contributions summarize the current status of fungal photobiology in Aspergillus nidulans, Neurospora crassa, Mucor circinelloides, and Coprinopsis cinerea.
Highlights
Fungi sense and interact with the environment by changing their pattern of growth and their metabolism, and light is one RI WKH VLJQDOV WKDW UHJXODWHV IXQJDO ELRORJ\ &RUURFKDQR $YDORV $SURPLQHQWH[DPSOHRIWKHHIIHFWRIOLJKWLQIXQJL is the regulation by light of fungal development and behaviour )LJ &RUURFKDQR *DOODQG %OXHOLJKWLVWKHW\SH RIOLJKWPRVWDVVRFLDWHGZLWKIXQJDOSKRWRPRUSKRJHQHVLV,Q addition, blue light can activate fungal metabolic pathways RUGLUHFWWKHJURZWKRIIXQJDOVWUXFWXUHV,GQXUPet al
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The aim of the meeting was to discuss recent developments in the molecular mechanisms of fungal photoreception and to review the different responses to light observed in different FODVVHVRIIXQJL7KHPHHWLQJZDVRUJDQL]HGE\P\VHOIZLWKWKH KHOSRIWKHRUJDQL]LQJFRPPLWWHHRI,0&DQGWRRNSODFHGXULQJ WKHPRUQLQJRI$XJXVW7KH¿YHSUHVHQWDWLRQVFRYHUHG various aspects of fungal photobiology in a wide array of fungi, LQFOXGLQJ ]\JRP\FHWHV EDVLGLRP\FHWHV DQG DVFRP\FHWHV *HUKDUG%UDXV *HRUJ$XJXVW8QLYHUVLW\*RHWWLQJHQ DQG-XOLR 5RGUtJXH]5RPHUR 8QLYHUVLW\RI.DUOVUXKH GHVFULEHGGLIIHUHQW aspects of light reception in the ascomycete Aspergillus nidulans, DQG *HQFHU 6DQFDU 8QLYHUVLW\ RI +HLGHOEHUJ UHSRUWHG RQ recent developments in the molecular mechanisms that regulate the circadian clock in the ascomycete Neurospora crassa 7KHUHVSRQVHVWROLJKWLQWKH]\JRP\FHWHMucor circinelloides
Summary
On the regulation by light of basidiome development in the basidiomycete Coprinopsis cinerea In Aspergillus nidulans red and blue light regulate the balance between sexual and asexual development, and many proteins, including photoreceptors, participate in this UHJXODWLRQ ,QWHUHVWLQJO\ PDQ\ RI WKHVH UHJXODWRU\ SURWHLQV
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