Molecular markers dataset to assess the genetic diversity of oriental plane trees from historical sites in Lazio (central Italy)
Author(s)
Date Issued
2022
Type
article
Volume
42
Start Page
1
End Page
7
Journal
Abstract
The dataset presented in this article is related to the re-
search paper titled “Dimensional and genetic characterization
of the last oriental plane trees (Platanus orientalis L.) of his-
torical sites in Lazio (central Italy)” (Ciaffi et al., 2022). In-
deed, the molecular analyses reported in that article con-
sisted in a comparison of Italian veteran plane trees with 12
certified accessions of P. orientalis, P. occidentalis and their hy-
brids P. acerifolia (4 individuals per species). First, LEAFY gene
analyses allowed identifying 32 P. orientalis and two P. acer-
ifolia in four sites of the province of Rome, confirming also
that the two representative trees from the two gardens of
the province of Viterbo belong to P. orientalis. Second, the use
of Simple Sequence Repeat (SSR) and Inter Simple Sequence
Repeat (ISSR) molecular markers provided useful information
regarding the genetic relationships within and among all the
historical sites. Owing to the use of SSR and ISSR molecu-
lar markers, a dataset of parameters related to the genetic
diversity of the same plant material was obtained and pre-
sented in this article. For SSR markers, seven loci previously
developed for P. occidentalis (Lang, 2010) and two specifi-
cally developed for P. orientalis (Rinaldi et al., 2019) were em-
ployed. For ISSR markers, DNA samples were amplified with
eight primers before used for the determination of genetic
stability of micro-propagated plantlets of P. acerifolia (Huang
et al., 2009) and for the genetic characterization of plane
trees within the formal gardens of Villa Lante of Bagnaia and
Palazzo Farnese (Viterbo, Italy) (Ciaffi et al., 2018). To the best
of our knowledge, this is the first report on the genetic di-
versity data for veteran oriental plane trees within heritage
sites, which will offer helpful information for their manage-
ment and conservation.
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