Changes in protein complement accompany early organogenesis in the maize ear

A complement of more than 800 soluble proteins was resolved at each of the first five successive stages of early development of the Zea mays ovulate inflorescence by high resolution two-dimensional polyacrylamide gel electrophoresis and a multicolor silver stain. Among the polypeptide complement a s...

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Bibliographic Details
Published in:International journal of plant sciences 1992-03, Vol.153 (1), p.31-39
Main Authors: Thompson-Coffe, C. (University of Northern Iowa, Cedar Falls, IA), Schoneman Findlay, T.A, Wagner, B.A, Orr, A.R
Format: Article
Language:English
Subjects:
ANATOMIA DE LA PLANTA
ANATOMIE VEGETALE
BRANCH PRIMORDIA
CHEMICAL COMPOSITION
COMPOSICION QUIMICA
COMPOSITION CHIMIQUE
Corn
Development
Electrophoresis
EPILLET
ESPIGUILLA
FLEUR
FLORES
FLOWER PRIMORDIA
FLOWERS
Flowers & plants
Fruits & vegetables
Gels
Inflorescences
LEMMA
MAIS
MAIZ
MAIZE
Maize ears
Meristems
ORGANOGENESE
ORGANOGENESIS
ORGANOGENIC STAGES
PLANT ANATOMY
PLANT PROTEINS
Plant reproduction
Plants
PROTEINAS
PROTEINAS VEGETALES
PROTEINE
PROTEINE VEGETALE
PROTEINS
SPIKELET PRIMORDIA
SPIKELETS
TEMPORAL VARIATION
ZEA MAYS
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Summary:A complement of more than 800 soluble proteins was resolved at each of the first five successive stages of early development of the Zea mays ovulate inflorescence by high resolution two-dimensional polyacrylamide gel electrophoresis and a multicolor silver stain. Among the polypeptide complement a subset of 39 occurred that appeared and/or disappeared during the first five organogenic stages of development. All individual subset polypeptides were observed at one or more stages of development, but not all five. The temporal modifications in appearance and/or disappearance of polypeptides during development fell into several distinct patterns. None of these proteins appeared exclusively at either the stage with branch primordia or floral primordia with lemmas. In contrast, the appearance of some proteins in the subset was restricted to only the terminal meristem, the spikelet primordia, or the spikelet primordia with lemmas. Most of the subset polypeptides appeared first in association with spikelet primordia. These observations indicate that early morphologic events of female inflorescence development in maize are linked to a distinctive pattern of protein change.
ISSN:1058-5893
1537-5315
DOI:10.1086/297004