Related Experiment Video
Updated: Nov 11, 2025
10:23
A Concoction Pipeline for Generating Molecular Operational Taxonomic Units (MOTUs) Among Riparian and Aquatic Beetles
Published on: July 11, 2025
358
Multiple migrations to the Philippines during the last 50,000 years
Maximilian Larena1, Federico Sanchez-Quinto2,3, Per Sjödin2
1Human Evolution, Department of Organismal Biology, Uppsala University, SE-752 36 Uppsala, Sweden; maximilian.larena@ebc.uu.se kurt.lambeck@anu.edu.au mattias.jakobsson@ebc.uu.se.
Summary
The Philippines
Area of Science:
- Population genetics
- Human migration
- Ancient DNA analysis
Background:
- Island Southeast Asia's complex human history and demography are poorly understood.
- Genetic studies are crucial for reconstructing past population movements.
Observation:
- Genomic data from 1,028 indigenous Philippine individuals and ancient Taiwanese Strait genomes were analyzed.
- Analysis revealed at least five distinct migration waves into the Philippines.
Findings:
- Cordilleran ancestors diverged from Taiwanese indigenous peoples over 8,000 years ago, predating rice agriculture.
- This contradicts the sole "out-of-Taiwan" dispersal model for Island Southeast Asia.
- Limited South Asian and West Eurasian gene flow was detected in specific groups.
Implications:
- The Philippines served as a key migration corridor, shaping the Asia-Pacific genetic landscape.
- Ancient DNA provides insights into the deep history of human settlement and admixture.
- Genetic data challenges existing models of language and agricultural dispersal.
Related Concept Videos
00:53Migration
8.3K
Migration is long-range, seasonal movement from one region or habitat to another. This common strategy, carried out by many different organisms around the world, is an adaptive response that typically corresponds to changes in an organism’s environment, like resource availability or climate. Migrations can involve huge groups of thousands of animals as well as single individuals traveling alone and can range from thousands of kilometers to just a few hundred meters.
8.3K
02:39Gene Flow
36.6K
Gene flow is the transfer of genes among populations, resulting from either the dispersal of gametes or from the migration of individuals.
36.6K
02:31Synteny and Evolution
3.5K
John H. Renwick first coined the term “synteny” in 1971, which refers to the genes present on the same chromosomes, even if they are not genetically linked. The species with common ancestry tend to show conserved syntenic regions. Therefore, the concept of synteny is nowadays used to describe the evolutionary relationship between species.
Around 80 million years ago, the human and mice lineages diverged from the common ancestor. During the course of evolution, the ancestral...
Around 80 million years ago, the human and mice lineages diverged from the common ancestor. During the course of evolution, the ancestral...
3.5K
02:35What is Evolutionary History?
41.3K
Scientists record evolutionary history by analyzing fossil, morphological, and genetic data. The fossil record documents the history of life on Earth and provides evidence for evolution. However, both fossil and living organisms offer evidence that outlines Earth’s evolutionary history.
41.3K
01:07Speciation Rates
22.0K
Overview
22.0K
02:56The Fossil Record
26.5K
The fossil record documents only a small fraction of all organisms that have ever inhabited Earth. Fossilization is a rare process, and most organisms never become fossils. Moreover, the fossil record only exhibits fossils that have been discovered. Nevertheless, sedimentary rock fossils of long-lived, abundant, hard-bodied organisms dominate the fossil record. These fossils offer valuable information, such as an organism's physical form, behavior, and age. Studying the fossil record helps...
26.5K