Abstract
Due to the economic interests in vetiver, Chrysopogon zizanioides (L.) Roberty, molecular and chemical studies are essential to generate information for its sustainable exploitation. The aim of this study was to undertake a molecular and chemical characterization of vetiver accessions of the active germplasm bank of the Universidade Federal de Sergipe. The molecular characteristics of the accessions were studied using amplified fragment length polymorphism markers, with a total of 14 primer combinations that generated 442 loci, allowing us to observe that these accessions have similar genomes. The vetiver accessions were divided into three distinct groups, where accession UFS-VET005 was the most differentiated and accession UFS-VET004 had the lowest essential oil content (0.70%). The content of the chemical constituents of the essential oils was observed to vary, with a predominance of khusimol, which ranged from 18.97 to 25.02%. It was possible to divide the vetiver accessions into two groups based on chemical composition, and these groups do not correlate with the molecular grouping. Therefore, it is necessary to perform molecular and chemical analyses to characterize vetiver accessions.
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Claims 9
Claim · model-written summary
Vetiver accessions had similar genomes across 442 AFLP loci.
- Taxon
- vetiver
Chrysopogon zizanioidest0 - Outcome
- similar genomese0
- Value
- 442 locie0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“14 primer combinations that generated 442 loci, allowing us to observe that these accessions have similar genomes”
t0“vetiver”
Claim · model-written summary
Vetiver accessions formed three molecular groups.
- Taxon
- vetiverChrysopogon zizanioidese0
- Outcome
- distinct groupse0
- Value
- threee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The vetiver accessions were divided into three distinct groups”
Claim · model-written summary
UFS-VET005 was the most genetically differentiated accession.
- Taxon
- vetiverChrysopogon zizanioidest0
- Material
- UFS-VET005e0
- Outcome
- most differentiatede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“accession UFS-VET005 was the most differentiated”
t0“vetiver”
Claim · model-written summary
UFS-VET004 had the lowest essential oil content at 0.70%.
- Taxon
- vetiverChrysopogon zizanioidest0
- Material
- UFS-VET004e0
- Outcome
- essential oil contente0
- Direction
- loweste0
- Value
- 0.70%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“accession UFS-VET004 had the lowest essential oil content (0.70%)”
t0“vetiver”
Claim · model-written summary
Chemical constituent contents of vetiver essential oils varied.
- Taxon
- vetiverChrysopogon zizanioidest0
- Outcome
- content of the chemical constituents of the essential oilse0
- Direction
- varye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The content of the chemical constituents of the essential oils was observed to vary”
t0“vetiver”
Claim · model-written summary
Khusimol predominated, ranging from 18.97 to 25.02%.
- Taxon
- vetiverChrysopogon zizanioidest0
- Outcome
- predominance of khusimole0
- Value
- 18.97 to 25.02%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“a predominance of khusimol, which ranged from 18.97 to 25.02%”
t0“vetiver”
Claim · model-written summary
Chemical composition divided vetiver accessions into two groups.
- Taxon
- vetiverChrysopogon zizanioidese0
- Outcome
- groups based on chemical compositione0
- Value
- twoe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“divide the vetiver accessions into two groups based on chemical composition”
Claim · model-written summary
Chemical groups did not correlate with molecular groups.
- Taxon
- vetiverChrysopogon zizanioidest0
- Outcome
- groupse0
- Comparator
- molecular groupinge0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“these groups do not correlate with the molecular grouping”
t0“vetiver”
Claim · model-written summary
The authors recommend combining molecular and chemical analyses to characterize vetiver accessions.
- Taxon
- vetiverChrysopogon zizanioidese0
- Outcome
- perform molecular and chemical analyses to characterize vetiver accessionse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“it is necessary to perform molecular and chemical analyses to characterize vetiver accessions”