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DCDB: Chromosome Database of Tribe Delphinieae (Ranunculaceae): Structure, Exploitation, and Recent Development.

Maria Bosch1, Jordi López-Pujol2, Cèsar Blanché3

  • 1BioC (GReB, IRBio) - Laboratori de Botànica, Facultat de Farmàcia i Ciències de l'Alimentació, Universitat de Barcelona, Barcelona, Catalonia, Spain. mariabosch@ub.edu.

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|August 30, 2023
PubMed
Summary

The Delphinieae Chromosome Database (DCDB) now offers comprehensive karyological data for 425 species, significantly expanding its scope. This updated resource aids cytotaxonomic research and evolutionary studies within the Ranunculaceae family.

Keywords:
AconitellaAconitumChromosome numberConsolidaCytogeneticsDelphinieaeDelphiniumGymnaconitumKaryology

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Area of Science:

  • Botany
  • Cytogenetics
  • Systematics

Background:

  • The tribe Delphinieae (Ranunculaceae) comprises several genera with diverse karyological characteristics.
  • Previous versions of the Delphinieae Chromosome Database (DCDB) provided valuable, but incomplete, data.
  • Ongoing research and taxonomic revisions necessitate an updated and comprehensive resource.

Purpose of the Study:

  • To present an updated, online version of the Delphinieae Chromosome Database (DCDB).
  • To consolidate chromosome counts and karyological information for genera within Delphinieae.
  • To support cytotaxonomic database development and research in plant systematics and evolution.

Main Methods:

  • Exhaustive literature and internet research for chromosome counts and karyological data (1889-2021).
  • Inclusion of data for genera: Aconitum, Gymnaconitum, Delphinium, Consolida, and Aconitella.
  • Consideration of recent taxonomic advances, synonymization, and phylogenetic criteria.

Main Results:

  • The updated DCDB (v. 31.12.2021) contains 3435 reports for 425 species (503 taxa), covering 48.6% of the tribe.
  • Significant increase in data compared to previous versions (1097 reports in 1999, 2598 in 2016).
  • Database includes taxonomic resolution, geographic origin, karyological data, voucher information, and references (with DOIs).

Conclusions:

  • The DCDB is the most complete resource for published chromosome numbers and karyological data in Delphinieae.
  • The database facilitates cytotaxonomic studies and research on the systematics and evolution of Ranunculaceae.
  • Efforts were made to verify original sources and identify duplicate entries.