The endosperm morphology of rice and its wild Rrelatives as observed by scanning electron microscopy

Kasem, S., Waters, D. L. E., Rice, N. F., Shapter, F. M. and Henry, R. J. (2011) The endosperm morphology of rice and its wild Rrelatives as observed by scanning electron microscopy. Rice, 4 1: 12-20. doi:10.1007/s12284-011-9060-4

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Author Kasem, S.
Waters, D. L. E.
Rice, N. F.
Shapter, F. M.
Henry, R. J.
Title The endosperm morphology of rice and its wild Rrelatives as observed by scanning electron microscopy
Journal name Rice   Check publisher's open access policy
ISSN 1939-8425
Publication date 2011-03-01
Sub-type Article (original research)
DOI 10.1007/s12284-011-9060-4
Open Access Status DOI
Volume 4
Issue 1
Start page 12
End page 20
Total pages 9
Place of publication New York, NY, United States
Publisher Springer New York
Language eng
Formatted abstract
While cultivated rice, Oryza sativa, is arguably the world’s most important cereal crop, there is little comparative morphological information available for the grain of rice wild relatives. In this study, the endosperm of 16 rice wild relatives were compared to O. sativa subspecies indica and O. sativa subspecies japonica using scanning electron microscopy. Although the aleurone, starch granules, protein bodies and endosperm cell shapes of the cultivated and non-cultivated species were similar, several differences were observed. The starch granules of some wild species had internal channels that have not been reported in cultivated rice. Oryza longiglumis, Microlaena stipoides and Potamophila parviflora, had an aleurone that was only one-cell thick in contrast to the multiple cell layers observed in the aleurone of the remaining Oryza species. The similarity of the endosperm morphology of undomesticated species with cultivated rice suggests that some wild species may have similar functional properties. Obtaining a better understanding of the wild rice species grain ultrastructure will assist in identifying potential opportunities for development of these wild species as new cultivated crops or for their inclusion in plant improvement programmes.
Keyword Scanning electron microscope
Wild rice
Oryza sativa
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2012 Collection
Queensland Alliance for Agriculture and Food Innovation
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