Abstract
This study investigated the phylogenetic signal of the nuclear gene GA20ox1 in seed plants focusing in the relationship between Monocots and Eudicots. Sequences were obtained from GenBank and analyzed using the maximum likelihood and the maximum parsimony approaches. A maximum likelihood tree was built using sequences of the rbcL plastid gene in order to enable comparison of the results. The GA20ox1 gene presents neutral evolution, levels of homoplasy equivalent to that observed in chloroplast sequences and generated well-resolved phylogenetic relationships. The relationship between Mocots and Eudicots based on the GA20ox1 gene was clear resolved, revealing the evolution of both groups. All these characteristics taken together make the GA20ox1 gene a promissory marker to corroborate as well as to complement and resolve phylogenetic relationships among species within one to several genera.
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Claims 5
Claim · model-written summary
The GA20ox1 gene shows neutral evolution in seed plants.
- Taxon
- Seed PlantsSpermatophytat0
- Gene
- GA20ox1e0
- Outcome
- neutral evolutione0
Verbatim
t0“Phylogenetic Signal of the Nuclear Gene GA20ox1 in Seed Plants”
e0“The GA20ox1 gene presents neutral evolution”
Claim · model-written summary
GA20ox1 homoplasy levels are equivalent to those of chloroplast sequences.
Verbatim
t0“Phylogenetic Signal of the Nuclear Gene GA20ox1 in Seed Plants”
e0“levels of homoplasy equivalent to that observed in chloroplast sequences”
Claim · model-written summary
GA20ox1 generated well-resolved phylogenetic relationships compared with the rbcL plastid gene.
- Taxon
- Seed PlantsSpermatophytat0
- Gene
- GA20ox1t0
- Outcome
- well-resolved phylogenetic relationshipse0
- Comparator
- rbcL plastid genee3
Verbatim
t0“Phylogenetic Signal of the Nuclear Gene GA20ox1 in Seed Plants”
e0“generated well-resolved phylogenetic relationships”
e3“A maximum likelihood tree was built using sequences of the rbcL plastid gene in order to enable comparison of the results”
Claim · model-written summary
The relationship between monocots and eudicots was clearly resolved with the GA20ox1 gene.
- Taxon
- Seed PlantsSpermatophytat0
- Gene
- GA20ox1e1
- Outcome
- relationship between Mocots and Eudicotse1
- Qualifier
- clear resolvede1
Verbatim
t0“Phylogenetic Signal of the Nuclear Gene GA20ox1 in Seed Plants”
e1“The relationship between Mocots and Eudicots based on the GA20ox1 gene was clear resolved, revealing the evolution of both groups”
Claim · model-written summary
GA20ox1 is a promising marker to corroborate, complement and resolve phylogenetic relationships among species within one to several genera.
- Taxon
- Seed PlantsSpermatophytat0
- Gene
- GA20ox1e2
- Outcome
- promissory markere2
Verbatim
t0“Phylogenetic Signal of the Nuclear Gene GA20ox1 in Seed Plants”
e2“All these characteristics taken together make the GA20ox1 gene a promissory marker to corroborate as well as to complement and resolve phylogenetic relationships among species within one to several genera”