Corpus ID: 108285543

Gene transfer by interspecific hybridization in bryophytes

  title={Gene transfer by interspecific hybridization in bryophytes},
  author={W. Sawangproh},
The role of hybridization in evolution has been debated for more than a century regarding bryophytes (mosses, liverworts, and hornworts) as well as most other organisms. Bryophytes have haplodiplontic life cycles with a dominant haploid generation. Hybridization in bryophytes involves fusion of gametes produced by haploid parental gametophytes of different species. The hybrid is thus the short-lived diploid sporophytes, which soon undergoes meiosis prior to forming a large amount of haploid… Expand
Evolutionary History of the Marchantia polymorpha Complex
The data suggest introgression but refute a previous hypothesis that subsp. Expand
Recent literature on bryophytes — 123(2)
Abalo-Loko, G. A., A. K. Guelly, M. J. Wigginton & C. Reeb. 2019. Checklist of liverworts and hornworts of Togo. Cryptogamie, B r y o l o g i e 4 0 ( 1 8 ) : 2 3 3 – 2 4 5 . [ d o i : 1 0 . 5 2 5 2 /Expand


Evolutionary Processes and Hybridization within the Peat Mosses, Sphagnum
The conclusion is, that interspecific gene flow in bryophytes, as exemplified by S. capillifolium and S. quinquefarium, may be more frequent and with farther reaching consequences then previously anticipated. Expand
Systematics of Mielichhoferia (Bryaceae: Musci). III. Hybridization between M. elongata and M. mielichhoferiana
The present study shows that in five populations from Colorado, Norway, and Sweden, gametophytes resulting from interspecific hybridization can be recognized by recombinant genotypes combining alleles of the otherwise diagnostic loci. Expand
Is interspecific gene flow and speciation in peatmosses (Sphagnum) constrained by phylogenetic relationship and life-history traits?
This work summarizes current knowledge about the occurrence of hybridization in peatmosses and explores how it is associated with phylogenetic distance and life-history trait variation of parental species. Expand
Bryophyte diversity and evolution: windows into the early evolution of land plants.
The life cycles of bryophytes, arguably more similar to those of early embryophytes than are those in any other living plant group, provide unique insights into gametophyte mating patterns, sexual conflicts, and the efficacy and effects of spore dispersal during early land plant evolution. Expand
Balance between inbreeding and outcrossing in a nannandrous species, the moss Homalothecium lutescens
In conclusion, sporadic fertilizations by dwarf males originating from nonhost female shoots appear to counteract strong inbreeding. Expand
Hybrid Origins of Plant Species
Experimental, theoretical, and empirical studies of homoploid hybrid speciation suggest that it is feasible, although evolutionary conditions are stringent, and hybridization may be important as a stimulus for the genetic or chromosomal reorganization envisioned in founder effect and saltational models of speciation. Expand
Sexual reproduction in the phyllodioicous bryophyte Homalothecium lutescens (Hedw.) H.Rob. in relation to habitat age, growth conditions and genetic variation
The majority of the dry, open grassland habitats appear to be suboptimal for both dwarf males and fertilization, and the lack of a relationship between sexual reproduction and genetic variation suggests that sexual reproduction may not occur in the same grassland fragments as the recruitment of new clones. Expand
Allopolyploidy in bryophytes: Multiple origins of Plagiomnium medium.
Electrophoretic data show that those evolutionary processes responsible for genetic differentiation and speciation in other land plants occur in the bryophytes as well, contrary to prevailing views. Expand
Life strategies of Bryophytes: a preliminary review
An attempt is made to compare bryophyte Ufe histories with recent models of life strategies of animals and phanerogams, highlighting the balance between sexual and asexual reproduction, the reproductive effort spent on both kinds of reproduce, the size and number of the spores, and annual production and standing crop. Expand
The Narrow Endemic Sphagnum troendelagicum is an Allopolyploid Derivative of the Widespread S. balticum and S. tenellum
Sphagnum troendelagicum appears to have originated recurrently; thus its restricted distribution cannot be ascribed to a single origin, and hypotheses that may account for the restricted distribution are discussed. Expand