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Articles containing the keyword 'intergenic spacer'

Category : Research note

article id 10765, category Research note
Girmantė Jurkšienė, Virgilijus Baliuckas, Donatas Naugžemys, Donatas Žvingila. (2022). Chloroplast DNA polymorphism and morphometric characteristics of Carpinus betulus in the Lithuania forests. Silva Fennica vol. 56 no. 3 article id 10765. https://doi.org/10.14214/sf.10765
Keywords: polymorphism; european hornbeam; intergenic spacer; involucres; migration refugia
Highlights: A 24 bp deletion was found in the chloroplast DNA region of two populations in the southeastern part of Lithuania; Morphometric differences in hornbeam involucre between the study populations were significant; The existence of two haplotypes of the chloroplast DNA region supports the hypothesis of two migration refugia in Carpinus betulus populations.
Abstract | Full text in HTML | Full text in PDF | Author Info

The European hornbeam (Carpinus betulus L.) is a medium-sized deciduous tree that spreads northeast of the middle of Lithuania. Carpinus betulus L. is a native tree in Poland, and its branch is migrated by two Pleistocene refugia. We hypothesised that its branches had spread to Lithuania. In this study, we selected 10 populations of hornbeam that were chosen from their distribution location. We sequenced the chloroplast intergenic spacer psbA-trnH of 70 individuals. We found 24 bp deletion in chloroplast DNA (cpDNA) individuals of two populations in the southeastern part of Lithuania. In the seven forest populations, we examined the morphological variability of hornbeam seed involucres and nuts variations of 30 morphometric characteristics. Initial genetic population studies were conducted over a wider area; when differences were detected, morphological studies were conducted in the contact zone. Morphometric differences between the study populations were significant. The existence of two haplotypes of cpDNA supports the hypothesis of two migration refugia in C. betulus populations. This study contributes to significant novel knowledge about the morphological and cpDNA variability of European hornbeam populations in Lithuania and Europe.

  • Jurkšienė, Institute of forestry, Lithuanian Research Centre for Agriculture and Forestry, Liepų str. 1 Girionys, LT-53101 Kaunas, Lithuania ORCID https://orcid.org/0000-0001-8210-6711 E-mail: girmante.jurksiene@lammc.lt (email)
  • Baliuckas, Institute of forestry, Lithuanian Research Centre for Agriculture and Forestry, Liepų str. 1 Girionys, LT-53101 Kaunas, Lithuania; Faculty of Forest Sciences and Ecology, Agriculture Academy, Vytautas Magnus University, K. Donelaičio g. 58, LT-44248 Kaunas, Lithuania E-mail: virgilijus.baliuckas@lammc.lt
  • Naugžemys, Botanical Garden of Vilnius University, Vilnius University, Kairėnų Str. 43, Vilnius 10239, Lithuania ORCID https://orcid.org/0000-0001-6744-5360 E-mail: genetikas@gmail.com
  • Žvingila, Department of Botany and Genetics, Institute of Biosciences, Life Sciences Center, Vilnius University, Saulėtekio Av. 7, LT-10257 Vilnius, Lithuania ORCID https://orcid.org/0000-0001-7826-1815 E-mail: donatas.zvingila@gf.vu.lt

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