Search results for phylogenetic data

Plants & Animals May 15, 2024

Researchers report new fern species from Yunnan, China

The genus Angiopteris Hoffmann, which belongs to the Eusporangiate ferns within the Marattiales Link and Marattiaceae Kaulf., is a crucial clade in the origin and evolution of ferns, offering significant ornamental, medicinal, ...

Plants & Animals May 15, 2024

Using reference genome of the species itself is optimal for SNP calling, finds study

With the advent of next-generation sequencing technologies, restriction-site associated DNA sequencing (RAD-seq) has become a mainstream method for rapidly obtaining high-density single nucleotide polymorphisms (SNPs) in ...

Plants & Animals May 13, 2024

In a reservoir in Southeast Brazil, introduction of a fish native to the Amazon has reduced native species diversity

The silver croaker (Plagioscion squamosissimus), a fish native to the Amazon (corvina or pescada-branca in Portuguese), is the most probable cause of a sharp fall in the diversity of native species in the Jaguari reservoir, ...

Plants & Animals May 13, 2024

Researchers complete mitochondrial genome analysis of endangered plant Primulina hunanensis

Primulina hunanensis is a perennial herb in the genus Primulina Hance of the family Gesneriaceae. It is very adaptable to low-light and barren cave environments, and is unique in its species evolution and environmental adaptation. ...

Evolution Apr 17, 2024

How interspecies competition led to a 'bizarre' pattern in our own evolutionary tree

Competition between species played a major role in the rise and fall of hominins—and produced a "bizarre" evolutionary pattern for the Homo lineage—according to a new University of Cambridge study that revises the start ...

Plants & Animals Apr 16, 2024

Scientists explore the genetic foundations of Rhododendron flower color diversity

A research team has made strides in uncovering the genetic foundations of flower color variation within the Rhododendron genus. The team's review summarizes recent advancements in phylogenetic reconstruction, genome sequencing ...

Plants & Animals Apr 6, 2024

Jurassic shuotheriids reveal earliest dental diversification of mammaliaforms

Paleontologists have presented a new insight into the initial dental variations across mammaliaforms, providing a fresh perspective on the evolutionary past of these ancient beasts.

Evolution Apr 1, 2024

Computational tools fuel reconstruction of new and improved bird family tree

An international team of scientists has built the largest and most detailed bird family tree to date—an intricate chart delineating 93 million years of evolutionary relationships between 363 bird species, representing 92% ...

Plants & Animals Mar 25, 2024

Species diversity found to be directly correlated with productivity in eastern US forests

When scientists and policymakers make tough calls on which areas to prioritize for conservation, biodiversity is often their top consideration. Environments with more diversity support a greater number of species and provide ...

Molecular & Computational biology Mar 20, 2024

Biologists use machine learning to classify fossils of extinct pollen

In the quest to decipher the evolutionary relationships of extinct organisms from fossils, researchers often face challenges in discerning key features from weathered fossils, or with prioritizing characteristics of organisms ...

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