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Article
Rice hybrid mimics have stable yields equivalent to those of the F1 hybrid and suggest a basis for hybrid vigour
We have developed long term stable high yielding rice lines, Hybrid Mimics, from commercial hybrids. The vigour of the Mimic and the hybrid are developmental changes. These Mimics could substitute for hybrid s...
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Article
Arabidopsis Col/Ler and Ws/Ler hybrids and Hybrid Mimics produce seed yield heterosis through increased height, inflorescence branch and silique number
The seed yield increase of the hybrids and their derived Mimics compared to parents is associated with increased plant height and inflorescence branch number which are correlated with decreased expression of FT,
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Article
Cotyledons contribute to plant growth and hybrid vigor in Arabidopsis
In hybrids of Arabidopsis, cotyledons influence the amount and proportion of hybrid vigor in total plant growth.
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Article
Open AccessGenome-wide analyses of four major histone modifications in Arabidopsis hybrids at the germinating seed stage
Hybrid vigour (heterosis) has been used for decades in crop** agriculture, especially in the production of maize and rice, because hybrid varieties exceed their parents in plant biomass and seed yield. The m...
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Article
Open AccessMolecular and cellular characteristics of hybrid vigour in a commercial hybrid of Chinese cabbage
Heterosis or hybrid vigour is a phenomenon in which hybrid progeny exhibit superior performance compared to their parental inbred lines. Most commercial Chinese cabbage cultivars are F1 hybrids and their level of...
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Article
Regions associated with repression of the barley (Hordeum vulgare) VERNALIZATION1 gene are not required for cold induction
Activity of the VERNALIZATION1 (VRN1) gene is required for flowering in temperate cereals such as wheat and barley. In varieties that require prolonged exposure to cold to flower (vernalization), VRN1 is expresse...
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Article
Vernalization in cereals
How vernalization – exposure to a period of cold – induces flowering in Arabidopsis has been intensively investigated at the genetic and moleular levels. Recent papers, including one in BMC Plant Biology, shed li...
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Article
Expression of the Talaromyces flavus glucose oxidase gene in cotton and tobacco reduces fungal infection, but is also phytotoxic
Glucose oxidase secreted by the fungus Talaromyces flavus generates, in the presence of glucose, hydrogen peroxide that is toxic to phytopathogenic fungi responsible for economically important diseases in many...
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Article
Multiple DNA methyltransferase genes in Arabidopsis thaliana
Methylation of plant DNA occurs at cytosines in any sequence context, and as the Arabidopsis methyltransferase, METI, preferentially methylates cytosines in CG dinucleotides, it is likely that Arabidopsis has ...
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Article
Eucalyptus has a functional equivalent of the Arabidopsis floral meristem identity gene LEAFY
Two genes cloned from Eucalyptus globulus, Eucalyptus LeaFy (ELF1 and ELF2), have sequence homology to the floral meristem identity genes LEAFY from Arabidopsis and FLORICAULA from Antirrhinum. ELF1 is express...
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Article
Characterization of pyruvate decarboxylase genes from rice
The pdc1 gene encoding pyruvate decarboxylase has been isolated and sequenced from an IR54 rice genomic library. In contrast to a previously isolated intron-less rice genomic pdc, pRgpdc3, this gene contains five...
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Chapter
The Anaerobic Responsive Element
The response to anaerobic stress such as occurs during flooding, is one of the best-characterised stress responses of plants, at the physiological and biochemical levels. Recent advances in molecular biology h...
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Article
Functional properties of the anaerobic responsive element of the maize Adh1 gene
The functional properties of the anaerobic responsive element (ARE) of the maize Adh1 gene have been analysed using a transient expression assay in electroporated maize protoplasts. The ARE functions in both orie...
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Article
Drought resistance in rice
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Article
Expression of a bacterial gene in transgenic tobacco plants confers resistance to the herbicide 2,4-dichlorophenoxyacetic acid
Plants resistant to the herbicide 2,4-dichlorophenoxyacetic acid (2,4-D) were produced through the genetic engineering of a novel detoxification pathway into the cells of a species normally sensitive to 2,4-D....
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Article
The maize transposable element Ac excises in progeny of transformed tobacco
To assess the potential of the maize transposable element Ac for gene tagging in heterologous plant species we monitored transcription, excision and transposition of the element in transgenic tobacco plants and t...
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Article
Organ regulated expression of the Parasponia andersonii haemoglobin gene in transgenic tobacco plants
Plant haemoglobin genes are known to occur in legume and non-legume families and in both nodulating (e.g. Parasponia andersonii) and non-nodulating species (e.g. Trema tomentosa). Their presence in non-nodulating...
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Article
Transcription of the maize transposable element Ac in maize seedlings and in transgenic tobacco
A combination of cDNA cloning and S1 analyses of RNA isolated from maize seedlings that carry an active Ac element has been used to define the Ac transcript. The primary transcript contains 4 introns that are exc...
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Article
Functioning haemoglobin genes in non-nodulating plants
Haemoglobin has previously been recorded in plants only in the nitrogen-fixing nodules formed by symbiotic association between Rhizobium or Frankia and legume or non-legume hosts11–4. Structural similarities amon...
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Article
Common evolutionary origin of legume and non-legume plant haemoglobins
The detection of haemoglobins in distantly-related non-legume plant families1,2 as well as in the legume families raises the question of whether the origin of the plant haemoglobins was single or multiple, We hav...