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קהילה:
אסיף מאגר המחקר החקלאי
פותח על ידי קלירמאש פתרונות בע"מ -
Phenotypic and Genetic Analysis of a Mutant of Heterorhabditis bacteriophora Strain HP88
Year:
1992
Source of publication :
Journal of Nematology
Authors :
גלזר, איתמר
;
.
ציוני (כהן-ניסן), שלומית
;
.
Volume :
24
Co-Authors:

Daniel Segal

Facilitators :
From page:
359
To page:
364
(
Total pages:
6
)
Abstract:

Induction and characterization of a morphological mutant are described for Heterorhabditis bacteriophora strain HP88. A homozygous inbred line was used as the base population for mutagenesis and genetic analysis of mutations. Mutagenesis was induced by exposing young hermaphrodites to 0.05 M ethyl methanesulfonate. A dumpy mutant (designated Hdpy-l) was isolated from the F₂ generation of the mutagenized population. Morphological studies with light and scanning electron microscopy revealed that the head region of the adult stage was compressed. The head region of the infective juvenile was distorted and the mouth open. Backcross with the original population was successful only between mutant hermaphrodites and wild type males; 50-100 percent of the progeny of this cross maintained the dumpy phenotype, indicating that the ratio between self- and external fertilization of the eggs is > 1 and that the dumpy mutation is recessive.

Note:
Related Files :
dumpy mutant
Genetics
Heterorhabditis bacteriophora
Mutagenesis
mutation
Nematoda
nematode
plant protection
עוד תגיות
תוכן קשור
More details
DOI :
Article number:
0
Affiliations:
Database:
PubMed
Publication Type:
מאמר
;
.
Language:
אנגלית
Editors' remarks:

Itamar's own PDF.

ID:
37789
Last updated date:
02/03/2022 17:27
Creation date:
01/11/2018 08:21
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Scientific Publication
Phenotypic and Genetic Analysis of a Mutant of Heterorhabditis bacteriophora Strain HP88
24

Daniel Segal

Phenotypic and Genetic Analysis of a Mutant of Heterorhabditis bacteriophora Strain HP88

Induction and characterization of a morphological mutant are described for Heterorhabditis bacteriophora strain HP88. A homozygous inbred line was used as the base population for mutagenesis and genetic analysis of mutations. Mutagenesis was induced by exposing young hermaphrodites to 0.05 M ethyl methanesulfonate. A dumpy mutant (designated Hdpy-l) was isolated from the F₂ generation of the mutagenized population. Morphological studies with light and scanning electron microscopy revealed that the head region of the adult stage was compressed. The head region of the infective juvenile was distorted and the mouth open. Backcross with the original population was successful only between mutant hermaphrodites and wild type males; 50-100 percent of the progeny of this cross maintained the dumpy phenotype, indicating that the ratio between self- and external fertilization of the eggs is > 1 and that the dumpy mutation is recessive.

Scientific Publication
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