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Light-induced linear dichroism in photoreversibly photocromic sensor pigments 6. Relation between the 2 pigments of the mycochrome system in Alternaria-Chichorii

Publiceringsår: 1984
Språk: Engelska
Sidor: 449-452
Publikation/Tidskrift/Serie: Physiologia Plantarum
Volym: 60
Nummer: 4
Dokumenttyp: Artikel
Förlag: Munksgaard International Publishing


Conidiation in A. cichorii Nattras is reversibly stimulated by near UV radiation (NUV .apprx. 313 nm) and inhibited by blue light (.apprx. 450 nm) and apparently is a mycochrome-mediated process. After induction with plane-polarized NUV, blue light polarized perpendicularly to the NUV was more effective in counteracting the induction than was blue light polarized parallel to the NUV. Both the blue-absorbing component (presumably a flavo-protein) and the PNUV (NUV absorbing moiety) of the mycochrome system are membrane-bound. The transition moment associated with blue light absorption in the presumed flavoprotein forms an angle of at least with the transition moment associated with NUV absorption in PNUV.



  • Biology and Life Sciences


  • ISSN: 0031-9317

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