Why not XY? Male monoecious sexual phenotypes challenge the female monoecious paradigm in Cannabis sativa L

Lennard Garcia-de Heer; Jos C Mieog; Adam Burn; Tobias Kretzschmar

doi:10.3389/fpls.2024.1412079

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Why not XY? Male monoecious sexual phenotypes challenge the female monoecious paradigm in Cannabis sativa L

Journal article

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Why not XY? Male monoecious sexual phenotypes challenge the female monoecious paradigm in Cannabis sativa L

Lennard Garcia-de Heer, Jos C Mieog, Adam Burn and Tobias Kretzschmar

Frontiers in plant science, Vol.15

Winter 2024

DOI: https://doi.org/10.3389/fpls.2024.1412079

Appears in Recent Faculty of Science and Engineering Publications

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Abstract

Cannabis sativa

sex expression

sex chromosomes

monoecious cultivars

phenotype

Plant biology

Monoecy in Cannabis sativa L. has long been considered an industrially important trait due to the increased uniformity it offers and was thought to be exclusively associated with XX females. The isolation and characterisation of a monoecious individual with XY chromosomes sourced from non-proprietary germplasm is reported for the first time. The chromosomal make up of this trait was confirmed through inflorescence structure, growth habit, PCR analysis and sexual phenotypes of progeny from a series of targeted crosses. The identification of an XY monoecious phenotype widens our understanding of monoecy in Cannabis and has important implications for breeding, particularly for producing F1-hybrid seed.

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Title: Why not XY? Male monoecious sexual phenotypes challenge the female monoecious paradigm in Cannabis sativa L
Creators: Lennard Garcia-de Heer (Author) - Southern Cross University, Faculty of Science and Engineering
Jos C Mieog (Corresponding Author) - Southern Cross University, Science
Adam Burn (Author) - Southern Cross University, Faculty of Science and Engineering
Tobias Kretzschmar (Author) - Southern Cross University, Science
Publication Details: Frontiers in plant science, Vol.15
Publisher: Frontiers Research Foundation
Grants: New crop on the block: The genetic control of hempseed nutritional quality, LP210200606, Australian Research Council (Australia, Canberra) - ARC
Identifiers: 991013197013502368
Academic Unit: Faculty of Science and Engineering; Science
Language: English
Resource Type: Journal article

Why not XY? Male monoecious sexual phenotypes challenge the female monoecious paradigm in Cannabis sativa L

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