@article{fdi:010054178,
  title = {{G}enomic expression dominance in the natural allopolyploid {C}offea arabica is massively affected by growth temperature},
  author = {{B}ardil, {A}. and {D}antas de {A}lmeida, {J}uliana and {C}ombes, {M}arie-{C}hristine and {L}ashermes, {P}hilippe and {B}ertrand, {B}.},
  editor = {},
  language = {{ENG}},
  abstract = {{P}olyploidy occurs throughout the evolutionary history of many plants and considerably impacts species diversity, giving rise to novel phenotypes and leading to ecological diversification and colonization of new niches. {R}ecent studies have documented dynamic changes in plant polyploid gene expression, which reflect the genomic and functional plasticity of duplicate genes and genomes. {T}he aim of the present study was to describe genomic expression dominance between a relatively recently formed natural allopolyploid ({C}offea arabica) and its ancestral parents ({C}offea canephora and {C}offea eugenioides) and to determine if the divergence was environment-dependent. {E}mploying a microarray platform designed against 15 522 unigenes, we assayed unigene expression levels in the allopolyploid and its two parental diploids. {F}or each unigene, we measured expression variations among the three species grown under two temperature conditions (26-22 degrees {C} (day-night temperatures) and 30-26 degrees {C} (day-night temperatures)). {M}ore than 35% of unigenes were differentially expressed in each comparison at both temperatures, except for {C}. arabica vs {C}. canephora in the 30-26 degrees {C} range, where an unexpectedly low unigene expression divergence (< 9%) was observed. {O}ur data revealed evidence of transcription profile divergence between the allopolyploid and its parental species, greatly affected by environmental conditions, and provide clues to the plasticity phenomenon in allopolyploids.},
  keywords = {{C}offea arabica ; genomic expression dominance ; microarrays ; natural ; allopolyploid ; plasticity ; temperatures},
  booktitle = {},
  journal = {{N}ew {P}hytologist},
  volume = {192},
  numero = {3},
  pages = {760--774},
  ISSN = {0028-646{X}},
  year = {2011},
  DOI = {10.1111/j.1469-8137.2011.03833.x},
  URL = {https://www.documentation.ird.fr/hor/fdi:010054178},
}