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Meiosis in Phycomyces

Eslava, Arturo P. and Alvarez, Maria Isabel and Delbrück, Max (1975) Meiosis in Phycomyces. Proceedings of the National Academy of Sciences of the United States of America, 72 (10). pp. 4076-4080. ISSN 0027-8424. PMCID PMC433141. http://resolver.caltech.edu/CaltechAUTHORS:ESLpnas75

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Abstract

A four-factor cross between two strains of Phycomyces involving two auxotrophic, one color, and the mating type marker is described. Samples of 40 germspores from 84 individual fertile germsporangia were characterized. The results show: (i) The germspores of a germsporangium are derived from one meiosis in approximately 78% of the cases. (ii) The four markers are on separate chromosomes. They are nonselective. (iii) Analysis of a large sample of germspores from 106 pooled germsporangia confirms that the four markers are unlinked. (iv) From the ditype/tetratype ratios it is inferred that each marker is located about 15 map units from its centromere.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1073/pnas.72.10.4076DOIArticle
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC433141/PubMed CentralArticle
Additional Information:© 1975 by the National Academy of Sciences Contributed by M. Delbrück, July 28, 1975 We thank E. D. Lipson, J. Reissig, and E. Cerda-Olmedo for helpful discussions, and Jeannette Navest and Doris Tsongas for technical assistance. A.P.E. was supported by a fellowship of The Commission for Educational Exchange between Spain and the U.S.A. The research was supported by N.S.F. Grant no. BMS 75-11316.
Funders:
Funding AgencyGrant Number
Commission for Educational Exchange between Spain and the U.S.A.UNSPECIFIED
NSFBMS 75-11316
Subject Keywords:linkage; map units; centromere
PubMed Central ID:PMC433141
Record Number:CaltechAUTHORS:ESLpnas75
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:ESLpnas75
Alternative URL:http://www.pnas.org/cgi/content/abstract/72/10/4076
Official Citation:Meiosis in Phycomyces A P Eslava, M I Alvarez, M Delbrück Proceedings of the National Academy of Sciences Oct 1975, 72 (10) 4076-4080; DOI: 10.1073/pnas.72.10.4076
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:5814
Collection:CaltechAUTHORS
Deposited By: Archive Administrator
Deposited On:02 Nov 2006
Last Modified:08 Mar 2019 20:54

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