Growth Patterns in Seedling Roots of the Pincushion Cactus Mammillaria Reveal Trends of Intra- and Inter-Specific Variation
Por:
González-Sánchez J.D.J., Santiago-Sandoval, Itzel, Lara-González J.A., Colchado-Lopez, Joel, Cervantes, Cristian R., Velez, Patricia, Reyes-Santiago, Jeronimo, Arias, Salvador, Rosas, Ulises
Publicada:
8 oct 2021
Categoría:
Plant science
Resumen:
Genetic mechanisms controlling root development are well-understood in
plant model species, and emerging frontier research is currently
dissecting how some of these mechanisms control root development in
cacti. Here we show the patterns of root architecture development in a
gradient of divergent lineages, from populations to species in
Mammillaria. First, we show the patterns of variation in natural
variants of the species Mammillaria haageana. Then we compare this
variation to closely related species within the Series Supertexta in
Mammillaria (diverging for the last 2.1 million years) in which M.
haageana is inserted. Finally, we compared these patterns of variation
to what is found in a set of Mammillaria species belonging to different
Series (diverging for the last 8 million years). When plants were grown
in controlled environments, we found that the variation in root
architecture observed at the intra-specific level, partially
recapitulates the variation observed at the inter-specific level. These
phenotypic outcomes at different evolutionary time-scales can be
interpreted as macroevolution being the cumulative outcome of
microevolutionary phenotypic divergence, such as the one observed in
Mammillaria accessions and species.
Filiaciones:
González-Sánchez J.D.J.:
Jardín Botánico, Instituto de Biología, Universidad Nacional Autónoma de México, Mexico City, Mexico
Posgrado en Ciencias Biológicas, Universidad Nacional Autónoma de México, Mexico City, Mexico
Santiago-Sandoval, Itzel:
Jardín Botánico, Instituto de Biología, Universidad Nacional Autónoma de México, Mexico City, Mexico
Univ Nacl Autonoma Mexico, Inst Biol, Jardin Bot, Mexico City, DF, Mexico
Lara-González J.A.:
Jardín Botánico, Instituto de Biología, Universidad Nacional Autónoma de México, Mexico City, Mexico
Colchado-Lopez, Joel:
Jardín Botánico, Instituto de Biología, Universidad Nacional Autónoma de México, Mexico City, Mexico
Posgrado en Ciencias Biológicas, Universidad Nacional Autónoma de México, Mexico City, Mexico
Univ Nacl Autonoma Mexico, Inst Biol, Jardin Bot, Mexico City, DF, Mexico
Univ Nacl Autonoma Mexico, Posgrad Ciencias Biol, Mexico City, DF, Mexico
Cervantes, Cristian R.:
Jardín Botánico, Instituto de Biología, Universidad Nacional Autónoma de México, Mexico City, Mexico
Posgrado en Ciencias Biológicas, Universidad Nacional Autónoma de México, Mexico City, Mexico
Univ Nacl Autonoma Mexico, Inst Biol, Jardin Bot, Mexico City, DF, Mexico
Univ Nacl Autonoma Mexico, Posgrad Ciencias Biol, Mexico City, DF, Mexico
Velez, Patricia:
Departamento de Botánica, Instituto de Biología, Universidad Nacional Autónoma de México, Mexico City, Mexico
Univ Nacl Autonoma Mexico, Inst Biol, Dept Bot, Mexico City, DF, Mexico
Reyes-Santiago, Jeronimo:
Jardín Botánico, Instituto de Biología, Universidad Nacional Autónoma de México, Mexico City, Mexico
Univ Nacl Autonoma Mexico, Inst Biol, Jardin Bot, Mexico City, DF, Mexico
Arias, Salvador:
Jardín Botánico, Instituto de Biología, Universidad Nacional Autónoma de México, Mexico City, Mexico
Univ Nacl Autonoma Mexico, Inst Biol, Jardin Bot, Mexico City, DF, Mexico
Rosas, Ulises:
Jardín Botánico, Instituto de Biología, Universidad Nacional Autónoma de México, Mexico City, Mexico
Univ Nacl Autonoma Mexico, Inst Biol, Jardin Bot, Mexico City, DF, Mexico
Green Published, gold, Gold, Green
|