scholarly journals Tracing Worldwide Turkey Genetic Diversity Using D-loop Sequence Mitochondrial DNA Analysis

Animals ◽  
2019 ◽  
Vol 9 (11) ◽  
pp. 897 ◽  
Author(s):  
Amado Manuel Canales Vergara ◽  
Vincenzo Landi ◽  
Juan Vicente Delgado Bermejo ◽  
Amparo Martínez ◽  
Patricia Cervantes Acosta ◽  
...  
Keyword(s):  
Genetic Diversity ◽  
Mitochondrial Dna ◽  
Rural Areas ◽  
Dna Analysis ◽  
Meleagris Gallopavo ◽  
Haplotype Network ◽  
Network Analyses ◽  
The Usa ◽  
D Loop ◽  
Genetic Value

According to recent archeological evidence, turkey (Meleagris gallopavo gallopavo) domestication may have occurred in Mexico around 2000 years ago. However, little is known about the phylogenetic and genealogical background underlying domestic turkey populations. This study aimed to further understand the domestication process and identify inter- or intraspecific connections between turkey populations to determine their origins, trace their global expansion, and define the species’ genetic value. Ninety-three domestic turkeys (local breeds) were sampled from populations in Brazil, Mexico, USA, Spain, Italy, Iran, and Egypt. Publicly available sequences from previous studies were also included. Standard mitochondrial DNA, genetic diversity, and haplotype network analyses were performed. Seventy-six polymorphic sites were identified. Turkeys from Mexico showed the greatest number of polymorphic sites (40), while turkeys from Italy and Brazil reported only one site each. Nucleotide diversity was also highest in Mexico and the USA (π = 0.0175 and 0.0102, respectively) and lowest in Brazil and Italy. Of the six major haplogroups defined, the Mexican and USA populations appeared to have remained more stable and diverse than the other populations. This may be due to conservative husbandry policies in the rural areas of other populations, which have prevented the introduction of commercial turkey lines.

GENETIC DIVERSITY OF BROILER CHICKEN BRANDS RAISED IN ARID AND SEMI-ARID ZONES OF NORTHERN NIGERIA USING MITOCHONDRIAL DNA

2021 ◽  
Vol 5 (2) ◽  
pp. 456-461
Author(s):  
A. Y. Abdullahi ◽  
M. Nasir ◽  
A. G. Khalee ◽  
R. M. Ashiru ◽  
H. M. Zango ◽  
...  
Keyword(s):  
Genetic Diversity ◽  
Mitochondrial Dna ◽  
Rural Areas ◽  
Dna Analysis ◽  
Haplotype Diversity ◽  
Climatic Conditions ◽  
Arid Zones ◽  
High Genetic Diversity ◽  
Hot Dry Season ◽  
Semi Arid

A sector of broiler production is growing very fast to meet the high demand of meat in Nigeria. However, high mortality rates among the broilers especially during the hot dry season in arid and semi-arid zones is worrisome. There is a need for molecular genetics study that could aid in management, conservation and sustainable exploitation of this species. To evaluate the genetic diversity of broilers raised in these regions, a total of forty-six broilers were randomly sampled from eight different brands (Agrited, Amo, Chi, Fol-hope, Obasanjo, Olam, Yammfy and Zatech) for mitochondrial DNA analysis. Four haplotypes were detected among all the samples used that belong to the four strains. The sequences of mitochondrial regions revealed high haplotype diversity (0.78600) and low nucleotide diversity (0.00286).  Lower genetic diversity observed may increase the chances of rapid disease infection and distribution during any disease outbreak. Introduction of new strains of broilers with high genetic diversity is highly recommended. Future study should be conducted on the performance of these strains during the extremely hot temperature period in arid and semi-arid zones of Nigeria. This is to provide reliable information for the sake of local broiler farmer’s benefit who invests largely on this sector. The study will also help the geneticists from these brands to develop a strain that could survive and perform excellently under severe climatic conditions of the rural areas of arid and semi-arid zones of Nigeria

scholarly journals Genetic Diversity of Maternal Lineage in the Endangered Kiso Horse Based on Polymorphism of the Mitochondrial DNA D-Loop Region

2014 ◽  
Vol 76 (11) ◽  
pp. 1451-1456 ◽  
Author(s):  
Masaki TAKASU ◽  
Namiko ISHIHARA ◽  
Teruaki TOZAKI ◽  
Hironaga KAKOI ◽  
Masami MAEDA ◽  
...  
Keyword(s):  
Genetic Diversity ◽  
Mitochondrial Dna ◽  
Maternal Lineage ◽  
Loop Region ◽  
D Loop

scholarly journals Genetic Diversities and Historical Dynamics of Native Ethiopian Horse Populations (Equus caballus) Inferred from Mitochondrial DNA Polymorphisms

Genes ◽  
2021 ◽  
Vol 12 (2) ◽  
pp. 155
Author(s):  
Kefena Effa ◽  
Sonia Rosenbom ◽  
Jianlin Han ◽  
Tadelle Dessie ◽  
Albano Beja-Pereira
Keyword(s):  
Genetic Diversity ◽  
Mitochondrial Dna ◽  
Genetic Differentiation ◽  
Sequence Divergence ◽  
Dna Polymorphisms ◽  
Base Pairs ◽  
Feral Horses ◽  
Domestic Horses ◽  
D Loop ◽  
Diversity Estimates

Matrilineal genetic diversity and relationship were investigated among eight morphologically identified native Ethiopian horse populations using polymorphisms in 46 mtDNA D-loop sequences (454 base pairs). The horse populations identified were Abyssinian, Bale, Borana, Horro, Kafa, Kundido feral horses, Ogaden and Selale. Mitochondrial DNA D-loop sequences were characterized by 15 variable sites that defined five different haplotypes. All genetic diversity estimates, including Reynolds’ linearized genetic distance, genetic differentiation (FST) and nucleotide sequence divergence (DA), revealed a low genetic differentiation in native Ethiopian horse populations. However, Kundido feral and Borana domestic horses were slightly diverged from the rest of the Ethiopian horse populations. We also tried to shed some light on the matrilineal genetic root of native Ethiopian horses from a network constructed by combining newly generated haplotypes and reference haplotypes deposited in the GenBank for Eurasian type Turkish Anatolian horses that were used as a genetic conduit between Eurasian and African horse populations. Ninety-two haplotypes were generated from the combined Ethio-Eurasian mtDNA D-loop sequences. A network reconstructed from the combined haplotypes using Median-Joining algorithm showed that haplotypes generated from native Ethiopian horses formed separate clusters. The present result encourages further investigation of the genetic origin of native African horses by retrieving additional mtDNA sequences deposited in the GenBank for African and Eurasian type horses.

Genetic diversity in mitochondrial DNA D-loop region of indigenous pig breeds of India

2022 ◽  
Vol 101 (1) ◽  
Author(s):  
Rongala Laxmivandana ◽  
Yoya Vashi ◽  
Dipjyoti Kalita ◽  
Santanu Banik ◽  
Nihar Ranjan Sahoo ◽  
...  
Keyword(s):  
Genetic Diversity ◽  
Mitochondrial Dna ◽  
Pig Breeds ◽  
Loop Region ◽  
D Loop

Genetic Diversity of Ligidium Isopods in Hokkaido and Niigata, Northern Japan, Based on Mitochondrial DNA Analysis

2020 ◽  
Vol 37 (5) ◽  
pp. 1
Author(s):  
Wakana Harigai ◽  
Aya Saito ◽  
Hitoshi Suzuki ◽  
Masanobu Yamamoto
Keyword(s):  
Genetic Diversity ◽  
Mitochondrial Dna ◽  
Dna Analysis ◽  
Mitochondrial Dna Analysis ◽  
Northern Japan
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