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  • 1
    Electronic Resource
    Electronic Resource
    Ethylene is involved in the autochemotropism of Phycomyces (1977)
    Springer
    Planta 134 (1977), S. 61-66 
    Details
    ISSN: 1432-2048
    Keywords: Autochemotropism ; Avoidance response ; Ethylene ; Phycomyces
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The sporangiophore of the fungus Phycomyces blakesleeanus has the property of growing away from a barrier which is few mm from the growing zone of the sporangiophore (avoidance or autochemotropic response). A model has been published (Cohen, R.J., Jan, N.Y., Matricon, J., Delbrück, M.: J. Gen. Physiol. 66, 67–95 (1975)). To explain the avoidance response which postulates that the sporangiophore emits and readsorbs a volatile growth-promoting effector (gas X) and that the barrier modifies the effector distribution by acting as an aerodynamic obstacle, causing a higher concentration of gas X on the side of the sporangiophore closer to the barrier. From this model we deduced three properties of the gas X. Of the several gases tested (N2, CO2, CH4, C2H2, C2H4, C2H6) only ethylene (C2H4) had all these three properties, a finding which suggests that it has a role in the avoidance response (autochemotropism).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00390096
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Are carotenoids the blue-light photoreceptor in the photoinduction of protoperithecia in Neurospora crassa? (1986)
    Springer
    Planta 168 (1986), S. 56-60 
    Details
    ISSN: 1432-2048
    Keywords: Albino mutant ; Ascomycetes ; Carotenoid ; Blue light ; Mutant (Neurospora) ; Neurospora ; Photoreceptor (blue light) ; Protoperithecia
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract A triple albino mutant of Neurospora crassa with a measured content of carotenoids absorbing at 470 nm less than 0.5% of that of the wild type (calculated value less than 8·10-4%) had the same threshold for photoinduction of protoperithecia as the wild type when illuminated with monochromatic light at 471 nm. This is strong evidence against the hypothesis that the bulk of carotenoids are the blue-light photoreceptor for this phenomenon. However, it is impossible to exclude traces of carotenoids acting as the photoreceptor at less than 3·10-12 M in a very efficient sensory transduction chain.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00407009
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Role of nitrogen in the photoinduction of protoperithecia and carotenoids in Neurospora crassa (1987)
    Springer
    Planta 170 (1987), S. 205-208 
    Details
    ISSN: 1432-2048
    Keywords: Ascomycetes ; Blue light ; Carotenoid ; Light and carotenoid induction ; Light and protoperithecia induction ; Neurospora ; Nitrogen and photoinduction ; Protoperithecium
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Nitrogen, as KNO3 or NH4NO3, can inhibit the photoinduction of protoperithecia in Neurospora crassa when present in the medium at a high concentration but does not inhibit the photoinduction of carotenoids. The point at which the presence of high nitrogen levels is no longer inhibitory is 5 h after illumination.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00397889
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    bli-4, a gene that is rapidly induced by blue light, encodes a novel mitochondrial, short-chain alcohol dehydrogenase-like protein in Neurospora crassa (1996)
    Springer
    Molecular genetics and genomics 252 (1996), S. 223-229 
    Details
    ISSN: 1617-4623
    Keywords: Key words Neurospora crassa ; Blue light ; Mitochondria ; Short-chain alcohol dehydrogenase
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract  Blue light plays an important role in developmental control throughout nature. The bli-4 gene of Neurospora crassa, together with bli-3, al-1 and al-2, is rapidly inducible by blue light. Induction leads to a ninety-fold increase in transcription rate over the dark control level, and the gene therefore appears to be of prime importance in the blue-light induction pathway of N. crassa. We describe the sequencing and analysis of bli-4 and the 38 kDa protein it encodes. We show that the protein is very rapidly imported into the mitochondria and exhibits high homology with the family of short-chain alcohol dehydrogenases.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02173767
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    Paper (German National Licenses)
    Fulltext
  • 5
    Electronic Resource
    Electronic Resource
    bli-4, a gene that is rapidly induced by blue light, encodes a novel mitochondrial, short-chain alcohol dehydrogenase-like protein inNeurospora crassa (1996)
    Springer
    Molecular genetics and genomics 252 (1996), S. 223-229 
    Details
    ISSN: 1617-4623
    Keywords: Neurospora crassa ; Blue light ; Mitochondria ; Short-chain alcohol dehydrogenase
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Blue light plays an important role in developmental control throughout nature. Thebli-4 gene ofNeurospora crassa, together withbli-3, al-1 andal-2, is rapidly inducible by blue light. Induction leads to a ninety-fold increase in transcription rate over the dark control level, and the gene therefore appears to be of prime importance in the blue-light induction pathway ofN. crassa. We describe the sequencing and analysis ofbli-4 and the 38 kDa protein it encodes. We show that the protein is very rapidly imported into the mitochondria and exhibits high homology with the family of short-chain alcohol dehydrogenases.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02173767
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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