Helictotrichon 22 claims

Claim · model-written summary

Based on lemma surface type, five groups of southern African Helictotrichon species are distinguished.

Taxon

HelictotrichonHelictotrichont0

Outcome

five groups of species are distinguishede0

Verbatim

e0

“five groups of species are distinguished”

t0

“Helictotrichon”

Claim · model-written summary

All species except Helictotrichon barbatum have small prickles (scaberulous) on the lemma surface.

Taxon

HelictotrichonHelictotrichont0

Outcome

small prickles (scaberulous)e0

Qualifier

except Helictotrichon barbatume0

Verbatim

e0

“All species, except Helictotrichon barbatum which has a smooth lemma surface, have small prickles (scaberulous)”

t0

“Helictotrichon”

Claim · model-written summary

A key to the groups and photos of the different lemma surface types are provided.

Taxon

HelictotrichonHelictotrichont0

Outcome

key to the groups and photos of the different types of surfacese0

Not reportedValue

Verbatim

e0

“A key to the groups and photos of the different types of surfaces are provided”

t0

“Helictotrichon”

Claim · model-written summary

Lemma surface micromorphology was shown to be of considerable taxonomic significance and extremely useful for differentiating among the species.

Taxon

HelictotrichonHelictotrichont0

Outcome

considerable taxonomic significancee0

Verbatim

e0

“The micromorphology of the lemma surface was shown to be of considerable taxonomic significance and to be extremely useful for differentiating amongst species”

t0

“Helictotrichon”

Claim · model-written summary

Absence or rare occurrence of different ITS sequence types in polyploid Helictotrichon suggests frequent rDNA homogenization by concerted evolution.

Taxon

HelictotrichonHelictotrichone0

Gene

ribosomal DNAe1

Outcome

occurrence of different ITS sequence typese1

Qualifier

concerted evolutione1

Verbatim

e0

“We examined the molecular phylogeny and chromosomal features of European Helictotrichon species to explore the relationships within the genus and to investigate the origin of several polyploids”

e1

“The absence or comparatively rare occurrence of different ITS sequence types in some (allo-) polyploid species of Helictotrichon suggests frequent intergenomic homogenization of ribosomal DNA (rDNA) loci due to the phenomenon of concerted evolution”

Claim · model-written summary

Phylogenetic analysis of the Topo6 region revealed three major clades that concur with three copy types (SAR, SET, PAR).

Taxon

HelictotrichonHelictotrichone0

Gene

Topo6e3

Outcome

three major cladese3

Qualifier

SAR, SET, PARe3

Verbatim

e0

“We examined the molecular phylogeny and chromosomal features of European Helictotrichon species to explore the relationships within the genus and to investigate the origin of several polyploids”

e3

“The phylogenetic analysis of the Topo6 region revealed three major clades that concur with three different copy types (termed SAR, SET, PAR), representing the major genome groups in Helictotrichon”

Claim · model-written summary

Comparison of molecular phylogenetic trees with chromosome and karyotype structure supports allopolyploidy of several Helictotrichon species.

Taxon

HelictotrichonHelictotrichone0

Outcome

allopolyploidy of several Helictotrichon speciese4

Qualifier

chromosome and karyotype structuree4

Verbatim

e0

“We examined the molecular phylogeny and chromosomal features of European Helictotrichon species to explore the relationships within the genus and to investigate the origin of several polyploids”

e4

“A comparison of the molecular phylogenetic trees with the chromosome and karyotype structure supports allopolyploidy of several Helictotrichon species and identifies potential genome donors”

Claim · model-written summary

The SAR genome group is geographically narrowly distributed in the southwest Mediterranean.

Taxon

HelictotrichonHelictotrichone0

Material

SARe5

Outcome

SARe5

Qualifier

geographically narrowly distributed southwest Mediterranean genome groupe5

Verbatim

e0

“We examined the molecular phylogeny and chromosomal features of European Helictotrichon species to explore the relationships within the genus and to investigate the origin of several polyploids”

e5

“While SAR represents a geographically narrowly distributed southwest Mediterranean genome group, PAR and SET are very widespread (Mediterranean to Asia) and encompass several instances of west-east disjunctions”

Claim · model-written summary

The PAR and SET genome groups are very widespread, from the Mediterranean to Asia.

Taxon

HelictotrichonHelictotrichone0

Material

PAR and SETe5

Outcome

PAR and SETe5

Qualifier

very widespread (Mediterranean to Asia)e5

Verbatim

e0

“We examined the molecular phylogeny and chromosomal features of European Helictotrichon species to explore the relationships within the genus and to investigate the origin of several polyploids”

e5

“While SAR represents a geographically narrowly distributed southwest Mediterranean genome group, PAR and SET are very widespread (Mediterranean to Asia) and encompass several instances of west-east disjunctions”

Claim · model-written summary

The PAR and SET genome groups encompass several instances of west-east disjunctions.

Taxon

HelictotrichonHelictotrichone0

Material

PAR and SETe5

Outcome

instances of west-east disjunctionse5

Verbatim

e0

“We examined the molecular phylogeny and chromosomal features of European Helictotrichon species to explore the relationships within the genus and to investigate the origin of several polyploids”

e5

“While SAR represents a geographically narrowly distributed southwest Mediterranean genome group, PAR and SET are very widespread (Mediterranean to Asia) and encompass several instances of west-east disjunctions”