Abstract
Abstract We have identified 188 embryo mutants of rice and characterized them into six groups based on their phenotypes: (1) embryoless in mature seed, (2) deletion of embryonic organ(s), (3) abnormal position of embryonic organs, (4) abnormal embryo size, (5) defect in organ morphology, and (6) variable abnormal phenotypes in spite of single mutations. Three types of organless mutants are obtained: small globular embryo, club‐shaped embryo, and large embryo. Although 12 shootless mutants derived from at least three loci are identified, only three radicleless mutants are recovered, which produce normal adventitious roots after germination. In reduced embryo mutants, every embryonic organ is reduced, in contrast to giant embryo mutants in which only scutellum is enlarged. Considerable number of mutants are categorized into (5) and (6) in the above. These diverse embryo mutants would serve as promising materials for genetic study of embryogenesis. © 1995 Wiley‐Liss, Inc.
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Claims 6
Claim · model-written summary
The researchers identified 188 rice embryo mutants in six phenotype groups.
- Taxon
- rice
Oryza sativae0 - Organ / stage
- embryoe0
- Outcome
- 188 embryo mutantse0
- Value
- 188e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“identified 188 embryo mutants of rice and characterized them into six groups based on their phenotypes”
Claim · model-written summary
Three organless mutant forms were obtained: small globular, club-shaped, and large embryos.
- Taxon
- riceOryza sativat0
- Organ / stage
- embryoe0
- Outcome
- Three types of organless mutantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“rice embryo mutants”
e0“Three types of organless mutants are obtained: small globular embryo, club‐shaped embryo, and large embryo”
Claim · model-written summary
Twelve shootless mutants from at least three loci were identified.
- Taxon
- riceOryza sativat0
- Material
- shootless mutantse0
- Outcome
- shootless mutantse0
- Value
- 12e0
- Qualifier
- at least three locie0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“rice embryo mutants”
e0“12 shootless mutants derived from at least three loci are identified”
Claim · model-written summary
Three radicleless mutants were recovered and formed normal adventitious roots after germination.
- Taxon
- riceOryza sativat0
- Material
- radicleless mutantse0
- Outcome
- normal adventitious rootse0
- Value
- threee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“rice embryo mutants”
e0“only three radicleless mutants are recovered, which produce normal adventitious roots after germination”
Claim · model-written summary
Every embryonic organ was reduced in reduced embryo mutants.
- Taxon
- riceOryza sativat0
- Material
- reduced embryo mutantse0
- Outcome
- every embryonic organ is reducede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“rice embryo mutants”
e0“In reduced embryo mutants, every embryonic organ is reduced”
Claim · model-written summary
Only the scutellum was enlarged in giant embryo mutants.
- Taxon
- riceOryza sativat0
- Material
- giant embryo mutantse0
- Organ / stage
- scutellume0
- Outcome
- scutellum is enlargede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“rice embryo mutants”
e0“giant embryo mutants in which only scutellum is enlarged”