ALFRED: allele frequency database
      The ALlele FREquency Database   
ALFRED is a resource of gene frequency data on human populations
supported by the U. S. National Science Foundation.
ALFRED detailed record information

Population Information

NameALFRED UIDPrimary LanguageLanguage Family
Sao TomeansPO000461L

Synonyms:
Geographic Location1:  2N, 6E; .5S, 8E  
Sites typed for this population: View List
Population Samples: See Sample Information
External Resources: 
References: See references
Population Description: Being curated
References:

Sample Information:

Graph estimated heterozygosities for various sites

Sample Name: Sao Tome

Sample UID: SA001666T

Sample Description:This sample consists of individuals from different locations around the island.

Number of Chromosomes: 284

Relation to Other Samples:

References:
- Coelho M, Luiselli D, Bertorelle G, Lopes AI, Seixas S, Destro-Bisol G, Rocha J. "Microsatellite variation and evolution of human lactase persistence". Hum Genet. 117:329-339. (2005) Online citation.

Sample Information:

Graph estimated heterozygosities for various sites

Sample Name: Sao Tome e Principe

Sample UID: SA002226M

Sample Description:This sample consists of healthy, unrelated individuals from Sao Tome e Principe. Informed consent was obtained from all individuals.

Number of Chromosomes: 200

Relation to Other Samples:

References:
- Freitas T, Brehm A, Fernandes AT "Frequency of the CCR5-delta32 mutation in the Atlantic island populations of Madeira, the Azores, Cabo Verde, and São Tomé e Príncipe". Hum Biol. 78:697-703. (2006) Online citation.

Sample Information:

Graph estimated heterozygosities for various sites

Sample Name: S.Tome e Principe

Sample UID: SA003763T

Sample Description:This sample consists of randomly selected individuals from S.Tome Principe. Informed consent was obtained from all the individuals.

Number of Chromosomes: 230

Relation to Other Samples:

References:
- Albuquerque D, Manco L, Loua KM, Arez AP, Trovoada Mde J, Relvas L, Millimono TS, Rath SL, Lopes D, Nogueira F, Varandas L, Alvarez M, Ribeiro ML. "SLC40A1 Q248H allele frequencies and associated SLC40A1 haplotypes in three West African population samples". Ann Hum Biol. 38:378-81. (2011) Online citation.

Sample Information:

Graph estimated heterozygosities for various sites

Sample Name: Sao Tomeans

Sample UID: SA000882S

Sample Description:This sample consists of unrelated healthy individuals born in S. Tome e Principe. S. Tome e Principe (Sao Tome and Principe) is located in the Gulf of Guinea off the west coast of Africa.

Number of Chromosomes: 656

Relation to Other Samples:

References:
- Gusmao L, Prata MJ, Miranda C, de Jesus Trovoada M, Amorim A. "STR data from S. Tome e Principe (Gulf of Guinea, West Africa)". Forensic Sci Int 116:53-54. (2001) Online citation.

1Geographic Coordinates represent two opposite corners of a rectangle encompassing the area where the population lives.This data is preliminary and changing.

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© 2012 Kenneth K Kidd, Yale University. All rights reserved. The full Copyright Notification is also available.
Originally prototyped by Michael Osier with the aid of Kei Cheung
Upgrades and maintenance since 2002 by Haseena Rajeevan