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Evolution of Subgenomes in Tetraploi...

Rhoades, Kathleen E. B.

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Evolution of Subgenomes in Tetraploid Sour Cherry (Prunus cerasus L.).

Record Type:	Electronic resources : Monograph/item
Title/Author:	Evolution of Subgenomes in Tetraploid Sour Cherry (Prunus cerasus L.)./
Author:	Rhoades, Kathleen E. B.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2023,
Description:	91 p.
Notes:	Source: Dissertations Abstracts International, Volume: 85-06, Section: B.
Contained By:	Dissertations Abstracts International85-06B.
Subject:	Genetics. -
Online resource:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=30813893
ISBN:	9798381163087

Evolution of Subgenomes in Tetraploid Sour Cherry (Prunus cerasus L.).
Rhoades, Kathleen E. B.

Evolution of Subgenomes in Tetraploid Sour Cherry (Prunus cerasus L.). - Ann Arbor : ProQuest Dissertations & Theses, 2023 - 91 p.

Source: Dissertations Abstracts International, Volume: 85-06, Section: B.

Thesis (Ph.D.)--Michigan State University, 2023.

This item must not be sold to any third party vendors.

Sour cherry (Prunus cerasus L.) is a valuable fruit crop in the Rosaceae family and a hybrid between progenitors closely related to extant Prunus fruticosa (ground cherry) and Prunus avium (sweet cherry). Here we report a chromosome-scale genome assembly for sour cherry cultivar Montmorency, the predominant cultivar grown in the USA. We also generated a draft assembly of P. fruticosa to use alongside a published P. avium sequence for syntelog-based subgenome assignments for 'Montmorency' and provide compelling evidence P. fruticosa is also an allotetraploid. Using hierarchal k-mer clustering and phylogenomics, we show 'Montmorency' is trigenomic, containing two distinct subgenomes inherited from a P. fruticosa like ancestor (A and A') and two copies of the same subgenome inherited from a P. avium-like ancestor (BB). The genome composition of 'Montmorency' is AA'BB and little-to-no recombination has occurred between progenitor subgenomes (A/A' and B). In Prunus, two known classes of genes are important to breeding strategies: the self-incompatibility loci (Salleles), which determine compatible crosses, successful fertilization, and fruit set, and the Dormancy Associated MADS-box genes (DAMs), which strongly affect dormancy transitions and flowering time. The S-alleles and DAMs in 'Montmorency' and P. fruticosa were manually annotated and support subgenome assignments. Lastly, the hybridization event 'Montmorency' is descended from was estimated to have occurred less than 1.61 million years ago, making sour cherry a relatively recent allotetraploid. The 'Montmorency' genome highlights the evolutionary complexity of the genus Prunus and will inform future breeding strategies for sour cherry, comparative genomics in the Rosaceae, and questions regarding neopolyploidy.

ISBN: 9798381163087Subjects--Topical Terms:

530508
Genetics.
Subjects--Index Terms:

Sour cherry

Evolution of Subgenomes in Tetraploid Sour Cherry (Prunus cerasus L.).
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100 1 $a Rhoades, Kathleen E. B. $3 3763030
245 1 0 $a Evolution of Subgenomes in Tetraploid Sour Cherry (Prunus cerasus L.).
260 1 $a Ann Arbor : $b ProQuest Dissertations & Theses, $c 2023
300 $a 91 p.
500 $a Source: Dissertations Abstracts International, Volume: 85-06, Section: B.
500 $a Advisor: Iezzoni, Amy F.
502 $a Thesis (Ph.D.)--Michigan State University, 2023.
506 $a This item must not be sold to any third party vendors.
520 $a Sour cherry (Prunus cerasus L.) is a valuable fruit crop in the Rosaceae family and a hybrid between progenitors closely related to extant Prunus fruticosa (ground cherry) and Prunus avium (sweet cherry). Here we report a chromosome-scale genome assembly for sour cherry cultivar Montmorency, the predominant cultivar grown in the USA. We also generated a draft assembly of P. fruticosa to use alongside a published P. avium sequence for syntelog-based subgenome assignments for 'Montmorency' and provide compelling evidence P. fruticosa is also an allotetraploid. Using hierarchal k-mer clustering and phylogenomics, we show 'Montmorency' is trigenomic, containing two distinct subgenomes inherited from a P. fruticosa like ancestor (A and A') and two copies of the same subgenome inherited from a P. avium-like ancestor (BB). The genome composition of 'Montmorency' is AA'BB and little-to-no recombination has occurred between progenitor subgenomes (A/A' and B). In Prunus, two known classes of genes are important to breeding strategies: the self-incompatibility loci (Salleles), which determine compatible crosses, successful fertilization, and fruit set, and the Dormancy Associated MADS-box genes (DAMs), which strongly affect dormancy transitions and flowering time. The S-alleles and DAMs in 'Montmorency' and P. fruticosa were manually annotated and support subgenome assignments. Lastly, the hybridization event 'Montmorency' is descended from was estimated to have occurred less than 1.61 million years ago, making sour cherry a relatively recent allotetraploid. The 'Montmorency' genome highlights the evolutionary complexity of the genus Prunus and will inform future breeding strategies for sour cherry, comparative genomics in the Rosaceae, and questions regarding neopolyploidy.
590 $a School code: 0128.
650 4 $a Genetics. $3 530508
650 4 $a Horticulture. $3 555447
650 4 $a Plant sciences. $3 3173832
653 $a Sour cherry
653 $a Fruit crop
653 $a Rosaceae
653 $a Tetraploid
653 $a Subgenomes
690 $a 0369
690 $a 0471
690 $a 0479
710 2 $a Michigan State University. $b Plant Breeding, Genetics and Biotechnology - Horticulture - Doctor of Philosophy. $3 3763027
773 0 $t Dissertations Abstracts International $g 85-06B.
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791 $a Ph.D.
792 $a 2023
793 $a English
856 4 0 $u https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=30813893