Evidence map›Paper›PMID 27581844›Full record

ArticleJournal of human genetics2017

Genetic diversity of two Neolithic populations provides evidence of farming expansions in North China.

Ye Zhang, Jiawei Li, Yongbin Zhao, Xiyan Wu, Hongjie Li, Lu Yao, Hong Zhu, Hui Zhou

Abstract readHistorical Article
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In one paragraph

Article in Journal of human genetics, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.

0numbers the graph read from it
0cells of the map it votes in
3citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

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Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

3 citing papers in PubMed.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

8 authors.

Ye ZhangLaboratory of Ancient DNA, School of Life Science, Jilin University, Changchun, China.
Jiawei LiLaboratory of Ancient DNA, School of Life Science, Jilin University, Changchun, China.
Yongbin ZhaoLaboratory of Ancient DNA, School of Life Science, Jilin University, Changchun, China.
Xiyan WuLaboratory of Ancient DNA, School of Life Science, Jilin University, Changchun, China.
Hongjie LiLaboratory of Ancient DNA, School of Life Science, Jilin University, Changchun, China.
Lu YaoDepartment of Anthropology, Committee on Evolutionary Biology, University of Chicago, Chicago, USA.
Hong ZhuLaboratory of Anthropology, Research Center for Chinese Frontier Archaeology, Jilin University, Changchun, China.
Hui ZhouLaboratory of Ancient DNA, School of Life Science, Jilin University, Changchun, China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The West Liao River Valley and the Yellow River Valley are recognized Neolithic farming centers in North China. The population dynamics between these two centers have significantly contributed to the present-day genetic patterns and the agricultural advances of North China. To understand the Neolithic farming expansions between the West Liao River Valley and the Yellow River Valley, we analyzed mitochondrial DNA (mtDNA) and the Y chromosome of 48 individuals from two archeological sites, Jiangjialiang (>3000 BC) and Sanguan (~1500 BC). These two sites are situated between the two farming centers and experienced a subsistence shift from hunting to farming. We did not find a significant difference in the mtDNA, but their genetic variations in the Y chromosome were different. Individuals from the Jiangjialiang belonged to two Y haplogroups, N1 (not N1a or N1c) and N1c. The individuals from the Sanguan are Y haplogroup O3. Two stages of migration are supported. Populations from the West Liao River Valley spread south at about 3000 BC, and a second northward expansion from the Yellow River Valley occurred later (3000-1500 BC).

Indexed as

Human MigrationAgricultureArchaeologyBase SequenceChinaChromosomes, Human, YDNA, MitochondrialFemaleGenetics, PopulationGenetic VariationHaplotypesHistory, AncientHumansMaleSequence Analysis, DNADNA, Mitochondrial

Identifiers

PMID27581844

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