Isolation, characterization and evaluation of 11 autosomal STRs suitable for population studies in black and gold howler monkeys<i>Alouatta caraya</i>

Oklander, Luciana Inés; Zunino, Gabriel E.; Fiore, Anthony Di; Corach, Daniel

doi:10.1111/j.1471-8286.2006.01529.x

Cited by 26 publications

(27 citation statements)

References 25 publications

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“…On the other hand, comparative studies of the population from 1982 to 2004 suggest that howlers can cope relatively well with moderate deforestation and fragmentation of the forest [5,15]. However, recent studies indicate an incipient process of isolation for the population of howlers living in an area of 5,000 ha surrounding the EBCo [17]. Based on genetic data, Oklander [16] suggests that habitat fragmentation may serve to decrease the ability of howlers to disperse between groups.…”

Section: Research Projectsmentioning

confidence: 99%

“…In addition to this, the EBCo academic staff develops studies on the The forests surrounding the EBCo are selectively logged and clear cut, and the landscapes are characterized by isolated forest patches of 10-15 ha located in a matrix of grasslands. The average isolating distance between forest patches is 1,763.2 ± 538.7 m (N = 11 fragments) [16,17].…”

Section: Research and Conservation Activities At Ebcomentioning

confidence: 99%

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Primate Research and Conservation in Northern Argentina: The Field Station Corrientes (Estación Biológica de Usos Múltiples –EBCo)

Zunino

Kowalewski

2008

Tropical Conservation Science

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In Argentina two (Alouatta guariba and Aotus Azarai) out of five species of non-human primates are endangered (Alouatta caraya, Cebus nigritus, and Cebus paraguayanus). However, most of the forests these species inhabit are under continuous anthropogenic alteration and many are not protected. The Estación Biológica de Usos Múltiples de Corrientes (EBCo) is an academic and research institution established in 2001, and its main goals are to ensure the protection of plant and animal species living in the province of Corrientes, northern Argentina, and to develop environmental education in the area surrounding the station. We present a short review of the history of the EBCO, its goals, research, and conservation projects. The main research projects are related to the study of demography, ecology, and behavior of primates in northern Argentina and to the study of ecosystem health aimed at identifying risk factors for disease transmission. Conservation-oriented activities are aimed at improving the ability of conservationists and policy-makers regarding timber exploitation, wildlife conservation, and human health.

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Section: Research Projectsmentioning

confidence: 99%

Section: Research and Conservation Activities At Ebcomentioning

confidence: 99%

Primate Research and Conservation in Northern Argentina: The Field Station Corrientes (Estación Biológica de Usos Múltiples –EBCo)

Zunino

Kowalewski

2008

Tropical Conservation Science

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“…For each sample, we amplified 11 microsatellites characterized for A. caraya: AC14, AC17, AC45, TGMS1, TGMS2, D5S117, D8S165, D17S804, LL1110, LL1118, LL157 [Di Fiore & Fleischer, 2004;Tomer et al, 2002]. These microsatellites were already screened for this population in Oklander et al [2007]. All loci were in Hardy-Weinberg equilibrium and mean observed heterozygosity was 0.54 (range 0.146-0.792) .…”

Section: Laboratory Proceduresmentioning

confidence: 99%

“…We had captured, obtained tissue samples and genotyped individuals from seven groups and two solitary individuals living in the continuous forest of the "Brasilera" Island (n ¼ 48, 23 males and 25 females (34A, 5SA, 9J) as described in Oklander et al [2007Oklander et al [ , 2010.…”

Section: Genetic Studiesmentioning

confidence: 99%

Male reproductive strategies in black and gold howler monkeys (Alouatta caraya)

Oklander

Kowalewski

Corach

2013

American J Primatol

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Behavioral and demographic factors such as group size, social structure, dispersal patterns, and mating systems affect male reproductive success. In the present study, we analyze the relationship between social structure, genetic relatedness of adult males and offspring paternity in one population of Alouatta caraya inhabiting a continuous forest in Northern Argentina. After 14 months of behavioral studies and genotyping 11 microsatellites, we found that dominant or central males achieved greater mating success and fathered all the offspring conceived during our study in two multimale-multifemale groups (both including three adult males). Although skewed toward the dominant males, females copulated with almost all resident males and with extra group males. We found significantly fewer agonistic interactions between adult males in the group with fewer females and where males were more genetically related to each other (average relatedness r ¼ 0.237; 0.015 int/ind/hr vs. r ¼ 0.02; 0.029 int/ ind/hr). Paternity was also analyzed in two other neighboring groups which also showed strong skew to one male over a 2-year period. These results reveal that even though female black and gold howlers mate with many males, infants are typically fathered by one dominant male. Am. J. Primatol. 76:43-55, 2014.

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“…All PCR reactions were performed in a GeneAmp® PCR System 9700 (Applied Biosystems). PCR primers´ sequences are listed in Table 3.3.4.1 and have been designed with M13 tails for product detection with M13 primers labeled with FAM™, as previously described (Oklander, Zunino et al 2007). After PCR, products were prepared with 7.5µL Hi-Di Formamide, 1µL…”

Section: Multiplex Y-stss Analysismentioning

confidence: 99%

Characterization of the AZF region of the Y chromosome in Native American haplogroup Q

Alechine¹,

Schempp²,

Corach³

2016

JOSHA

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JOSHA is a service that helps scholars, researchers, and students discover, use, and build upon a wide range of content MASTER THESISUNIVERSITY RESUMEN EN ESPAÑOLEl cromosoma Y humano, debido a sus características haploides, a la falta de recombinación y a su herencia uniparental por vía paterna, lleva en su secuencia la historia de su linaje. En reproducción masculina, se identificó la región AZF como responsable de la regulación de la espermatogénesis.Específicamente, la región AZFc abarca el 60% de las microdeleciones descriptas y su deleción completa es la causa genética más frecuente de infertilidad masculina. Sin embargo, las funciones específicas de los genes localizados en la región AZFc aún son poco claras. Genes localizados en esta región, como DAZ (Deleted in azoospermia) y CDY (Chromodomain protein Y), cumplen funciones importantes en la espermatogénesis, sin embargo el efecto de su deleción sobre la fertilidad no es igual en todos los individuos.Numerosos estudios indican que la presencia de ciertas microdeleciones en la región AZFc está relacionada con infertilidad masculina en determinadas poblaciones, mientras que las mismas deleciones no afectan la fertilidad en otras. Esto podría indicar que existen factores presentes en determinados haplogrupos del cromosoma Y que predisponen o protegen contra la infertilidad en presencia de las mismas microdeleciones. La hipótesis de la presente Tesis de Maestría es que individuos pertenecientes al haplogrupoNativo Americano Q1a3a1 podrían presentar polimorfismos estructurales en la región AZF del cromosoma Y sin signos de fertilidad disminuida. El objetivo de la misma es caracterizar el cromosoma Y de individuos de origen Nativo Americano pertenecientes al Hg Q1a3a1 para identificar posibles microdeleciones en la región AZFc y variaciones en el número de copias de los genes de CDY y DAZ, en hombres fértiles.

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Isolation, characterization and evaluation of 11 autosomal STRs suitable for population studies in black and gold howler monkeysAlouatta caraya

Cited by 26 publications

References 25 publications

Primate Research and Conservation in Northern Argentina: The Field Station Corrientes (Estación Biológica de Usos Múltiples –EBCo)

Primate Research and Conservation in Northern Argentina: The Field Station Corrientes (Estación Biológica de Usos Múltiples –EBCo)

Male reproductive strategies in black and gold howler monkeys (Alouatta caraya)

Characterization of the AZF region of the Y chromosome in Native American haplogroup Q

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