FGSC #9436 Species: Neurospora crassa
Genotype: gran;ipa
Alleles: B42,BVS7
Linkage Group(s): VR,IL
Stock No. from Other Collection: OG71
Depositor of Strain: OG
Lesion: gran granular
Lesion Information for Marker:
      Linkage Group of gran: VR
      Markers Left of gran: pab-2 (1 to 8%)
      Markers Right ofgran: his-6 (8 to 27%); Linked to pl (0/75)
Marker description or requirements:
      VR. Linked to pl (0/75); between pab-2 (1 to 8%) and his-6 (8 to 27%) (816, PB). (812)Delicate granular conidiation, with conidia adherent rather than powdery (812). Sparsely branched hyphae (382). Morphologically distinct from pl mutants. Reduced amount of cell wall peptides (1165).
Reference for: gran: 382. Garnjobst, L. , and E. L. Tatum. 1967. A survey of new morphological mutants in Neurospora crassa. Genetics 57:579-604.
Reference for: gran: 812. Perkins, D. D. , M. Glassey, and B. A. Bloom. 1962. New data on markers and rearrangements in Neurospora. Can. J. Genet. Cytol. 4:187-205.
Reference for: gran: 816. Perkins, D. D. , D. Newmeyer, C. W. Taylor, and D. C. Bennett. 1969. New markers and map sequences in Neurospora crassa, with adescription of mapping by duplication coverage, and of multiple translocation stocks for testing linkage. Genetica 40:247-278.
Reference for: gran: 1165. Wrathall, C. R. , and E. L. Tatum. 1974. Hyphal wall peptides and colonial morphology in Neurospora crassa. Biochem. Genet. 12:59-68.
Lesion: ipa "it pokes along"
Lesion Information for Marker:
      Linkage Group of ipa: IL
      Markers Left of ipa: mt (20%)
      Markers Right ofipa: arg-1 (1%)
Marker description or requirements:
      IL. Between mt (20%) and arg-1 (1%) (994; E.G. Barry, personal communication).Hyphae from germinating ascospores or conidia grow for long distances without branching. Cultures thus are 1 day late growing up (E.G. Barry, personal communication). Modifies pro-3. Double mutant pro-3;ipa does not respond to arginine and grows less well than the single mutant pro-3;ipa+ on proline, citrulline, or ornithine. The single mutant ipa grows on minimal medium at half the wild-type rate. Arginine uptake is normal: arg-2;ipa or arg-5;ipa double mutants can grow on arginine. Inhibition studies suggest that ipamay be unable to shunt exogenous arginine into the proline pathway (994).
Reference for: ipa: 994. Smith, B. V. , and E. G. Barry. 1966. A modifier of the arg-8 mutant in Neurospora. Genetics 54:363 (Abstr. ).


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