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Showing 1–7 of 7 results
Advanced filters: Author: Maruthachalam Ravi Clear advanced filters

  • Making haploid plants — which inherit chromosomes from only one parent — is useful for genetic research and also, crucially, for plant breeding. A new method for generating haploid Arabidopsis plants is now described, involving the manipulation of a single centromeric protein, CENH3. When cenh3 null plants are crossed with wild-type plants, the mutant chromosomes are eliminated, producing haploid progeny.

    • Maruthachalam Ravi
    • Simon W. L. Chan
    Research
    Nature
    Volume: 464, P: 615-618

  • Haploid production technology has the potential to accelerate genetic research and breeding in plants. Here Ravi et al. describe a suite of genetic methods to demonstrate the effectiveness of haploid technology for basic research in Arabidopsis.

    • Maruthachalam Ravi
    • Mohan Prem Anand Marimuthu
    • Simon W. L. Chan
    Research
    Nature Communications
    Volume: 5, P: 1-8

  • To take advantage of hybrid vigor, most crop plants are grown with hybrid seeds, which are produced afresh by crossing elite inbred lines. Here, Erik Wijnker and colleagues demonstrate the feasibility of reverse breeding, a method that enables the generation of homozygous parental lines from a hybrid individual in the plant model organism Arabidopsis thaliana. Homozygous parents can be maintained indefinitely, better facilitating future improvements.

    • Erik Wijnker
    • Kees van Dun
    • Rob Dirks
    Research
    Nature Genetics
    Volume: 44, P: 467-470

  • Two studies report the use of paternal haploids to enable one-step transfer of cytoplasmic male sterility in maize and broccoli, which resolves a key technical bottleneck in hybrid crop breeding.

    • Ravi Maruthachalam
    News & Views
    Nature Plants
    Volume: 10, P: 530-532

  • Ramesh Bondada et al. report natural epimutations in the Arabidopsis SUPERMAN gene from tetraploid and diploid accessions. The existence of these epialleles in diverse wild populations have the potential to shed light on the evolution of unisexuality in plants.

    • Ramesh Bondada
    • Saravanakumar Somasundaram
    • Ravi Maruthachalam
    ResearchOpen Access
    Communications Biology
    Volume: 3, P: 1-13