Africa Gómez
University of Hull
Publications 61
#1Lluis Franch-Gras (University of Valencia)H-Index: 3
#2Eva Tarazona (University of Valencia)H-Index: 4
Last.Manuel Serra (University of Valencia)H-Index: 30
view all 6 authors...
Sexual reproduction in cyclically parthenogenetic rotifers results in the production of diapausing eggs that tolerate harsh conditions. Theory predicts that the adaptation to environmental unpredictability can occur by the evolution of bet-hedging strategies. When facing unpredictability in the length of rotifer growing season, patterns of diapausing egg production and hatching can disperse risks and act as bet-hedging strategies. Here, we identified the methodologies to test bet-hedging theory ...
#1Javier Montero-Pau (University of Valencia)H-Index: 11
#2Africa Gómez (University of Hull)H-Index: 30
Last.Manuel Serra (University of Valencia)H-Index: 30
view all 3 authors...
Populations of passively dispersed organisms in continental aquatic habitats typically show high levels of neutral genetic differentiation, despite their high dispersal capabilities. Several evolutionary factors, including founder events and local adaptation, and life cycle features such as high population growth rates and the presence of propagule banks, have been proposed to be responsible for this paradox. Here, we have modeled the colonization process in these organisms to assess the impact ...
#1Lluis Franch-Gras (University of Valencia)H-Index: 1
#2Christoph Hahn (University of Hull)H-Index: 10
Last.Africa Gómez (University of Hull)H-Index: 30
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Environmental fluctuations are ubiquitous and thus essential for the study of adaptation. Despite this, genome evolution in response to environmental fluctuations —and more specifically to the degree of environmental predictability– is still unknown. Saline lakes in the Mediterranean region are remarkably diverse in their ecological conditions, which can lead to divergent local adaptation patterns in the inhabiting aquatic organisms. The facultatively sexual rotifer Brachionus plicatilis shows d...
#1Emilio Moreno (UGR: University of Granada)H-Index: 1
#2José M. Conde-Porcuna (UGR: University of Granada)H-Index: 12
Last.Africa Gómez (University of Hull)H-Index: 30
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The biodiversity of Mediterranean freshwater bodies is among the most threatened worldwide; therefore, its accurate estimation is an urgent issue. However, traditional methods are likely to underestimate freshwater zooplankton biodiversity due to its high species seasonality and cryptic diversity. We test the value of applying DNA barcoding to diapausing egg banks, in combination with the creation of a reference collection of DNA barcodes using adult individual samples, to characterize rotifer c...
#1Scott Mills (JCU: James Cook University)H-Index: 3
#2J. Arturo. Alcántara-Rodríguez (UNAM: National Autonomous University of Mexico)H-Index: 1
Last.Jehee Lee (SKKU: Sungkyunkwan University)H-Index: 47
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Understanding patterns and processes in biological diversity is a critical task given current and rapid environmental change. Such knowledge is even more essential when the taxa under consideration are important ecological and evolutionary models. One of these cases is the monogonont rotifer cryptic species complex Brachionus plicatilis, which is by far the most extensively studied group of rotifers, is widely used in aquaculture, and is known to host a large amount of unresolved diversity. Here...
#1Javier Montero-Pau (University of Valencia)H-Index: 11
#2Manuel Serra (University of Valencia)H-Index: 30
Last.Africa Gómez (University of Hull)H-Index: 30
view all 3 authors...
Diapausing egg banks are reservoirs of ecological and genetic diversity in continental zooplankton. However, although habitat size has often been used as a proxy for population size, the relationship between diapausing egg bank size and genetic diversity has not been explicitly tested in zooplankton. We estimated the density and size of diapausing egg banks, habitat size and genetic diversity (for mitochondrial and nuclear markers) of 14 populations of the rotifer Brachionus plicatilis in an end...
#1Graham S. Sellers (University of Hull)H-Index: 1
#2Larry Griffin (Wildfowl & Wetlands Trust)H-Index: 7
Last.Africa Gómez (University of Hull)H-Index: 30
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© 2017 Sellers et al. The tadpole shrimp, Triops cancriformis, is a freshwater crustacean listed as endangered in the UK and Europe living in ephemeral pools. Populations are threatened by habitat destruction due to land development for agriculture and increased urbanisation. Despite this, there is a lack of efficient methods for discovering and monitoring populations. Established macroinvertebrate monitoring methods, such as net sampling, are unsuitable given the organism's life history, that i...
#1Anna BadosaH-Index: 16
#2Dagmar FrischH-Index: 13
Last.Africa GómezH-Index: 30
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Isolation mediates persistent founder effects on zooplankton colonisation in new temporary ponds
#1Thomas C. MathersH-Index: 5
#2Robert L. HammondH-Index: 19
Last.Africa GómezH-Index: 30
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Transition in sexual system and sex chromosome evolution in the tadpole shrimp Triops cancriformis