Journal article
The wandering carpel mutation of Zea mays (Gramineae) causes misorientation and loss of zygomorphy in flowers and two‐seeded kernels
American Journal of Botany, Vol.90(4), pp.551-560
04/2003
DOI: 10.3732/ajb.90.4.551
PMID: 21659148
Abstract
We have isolated a new mutation, wandering carpel (wcr), which affects polarity of the maize flower, altering its orientation or converting it from zygomorphy to radial symmetry. These changes result in the development of embryos on locations other than the normal, acropetal side of the kernel. More than two carpels can develop into silks. More rarely, two ovules develop in a single ovary, giving rise to kernels with two seeds. The wcr mutation is a maternal‐sporophyte‐effect, semidominant mutation whose expression is background dependent. As spikelets with abnormal flowers are almost always paired with a normal spikelet, we hypothesize that WCR+ is required for establishing polarity in spikelet meristems during inflorescence development.
Details
- Title: Subtitle
- The wandering carpel mutation of Zea mays (Gramineae) causes misorientation and loss of zygomorphy in flowers and two‐seeded kernels
- Creators
- Erin E IrishEugene J SzymkowiakKathryn Garrels
- Resource Type
- Journal article
- Publication Details
- American Journal of Botany, Vol.90(4), pp.551-560
- DOI
- 10.3732/ajb.90.4.551
- PMID
- 21659148
- NLM abbreviation
- Am J Bot
- ISSN
- 0002-9122
- eISSN
- 1537-2197
- Publisher
- Botanical Society of America
- Number of pages
- 10
- Grant note
- NSF (IBN 9728518)
- Language
- English
- Date published
- 04/2003
- Academic Unit
- Biology
- Record Identifier
- 9983991943702771
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