Abstract
Plastids and mitochondria are organelles of plant cells with small genomes, which may exhibit discordant microevolution as we earlier revealed in pea crop wild relatives. We sequenced 22 plastid and mitochondrial genomes of Pisum sativum subsp. elatius and Pisum fulvum using Illumina platform, so that the updated sample comprised 64 accessions. Most wild peas from continental southern Europe and a single specimen from Morocco were found to share the same organellar genome constitution; four others, presumably hybrid constitutions, were revealed in Mediterranean islands and Athos Peninsula. A mitochondrial genome closely related to that of Pisum abyssinicum, from Yemen and Ethiopia, was unexpectedly found in an accession of P. sativum subsp. elatius from Israel, their plastid genomes being unrelated. Phylogenetic reconstructions based on plastid and mitochondrial genomes revealed different sets of wild peas to be most related to cultivated P. sativum subsp. sativum, making its wild progenitor and its origin area enigmatic. An accession of P. fulvum representing ‘fulvum-b’ branch, according to a nuclear marker, appeared in the same branch as other fulvum accessions in organellar trees. The results stress the complicated evolution and structure of genetic diversity of pea crop wild relatives.
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Claims 5
Claim · model-written summary
Most wild peas from southern Europe and one Moroccan specimen shared an organellar genome constitution.
- Taxon
- wild peas
Lathyrus oleraceus subsp. bifloruse0 - Outcome
- same organellar genome constitutione0
- Setting
- continental southern Europee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Wild Peas (Pisum L.)”
e0“Most wild peas from continental southern Europe and a single specimen from Morocco were found to share the same organellar genome constitution”
Claim · model-written summary
Four presumably hybrid organellar constitutions occurred in Mediterranean islands and Athos Peninsula.
- Taxon
- Wild PeasLathyrus oleraceus subsp. biflorust0
- Outcome
- presumably hybrid constitutionse0
- Value
- foure0
- Setting
- Mediterranean islands and Athos Peninsulae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Wild Peas (Pisum L.)”
e0“four others, presumably hybrid constitutions, were revealed in Mediterranean islands and Athos Peninsula”
Claim · model-written summary
An Israeli P. sativum subsp. elatius accession had a mitochondrial genome closely related to Pisum abyssinicum while its plastid genome was unrelated.
- Taxon
- P. sativum subsp. elatiusLathyrus oleraceus subsp. bifloruse0
- Material
- an accession of P. sativum subsp. elatiuse0
- Outcome
- mitochondrial genome closely related to that of Pisum abyssinicume0
- Qualifier
- their plastid genomes being unrelatede0
- Setting
- Israele0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A mitochondrial genome closely related to that of Pisum abyssinicum, from Yemen and Ethiopia, was unexpectedly found in an accession of P. sativum subsp. elatius from Israel, their plastid genomes being unrelated.”
Claim · model-written summary
Plastid and mitochondrial phylogenies identified different wild pea groups as closest to cultivated peas.
- Taxon
- wild peasLathyrus oleraceus subsp. bifloruse0
- Outcome
- different sets of wild peas to be most related to cultivated P. sativum subsp. sativume0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Phylogenetic reconstructions based on plastid and mitochondrial genomes revealed different sets of wild peas to be most related to cultivated P. sativum subsp. sativum”
Claim · model-written summary
The fulvum-b accession grouped with other fulvum accessions in organellar trees.
- Taxon
- P. fulvum
Lathyrus fulvuse0 - Material
- An accession of P. fulvume0
- Outcome
- same branch as other fulvum accessions in organellar treese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“An accession of P. fulvum representing ‘fulvum-b’ branch, according to a nuclear marker, appeared in the same branch as other fulvum accessions in organellar trees.”