Claudia Zapata Silva

EL ROL DE LA PESCA EN LA INTENSIFICACIÓN DE LAS OCUPACIONES COSTERAS DURANTE EL HOLOCENO MEDIO-TARDÍO (BAHÍA DE CONCEPCIÓN, REGIÓN DEL BÍO-BÍO, CHILE)

** ABSTRACT We present results from the excavation and analysis of archaeological remains from the Playa Negra 9 site (PN-9), located in Concepcion Bay, Chilean region of Bio-Bio. Our studies provide important information about mid to late Holocene littoral occupations, demonstrating an emphasis on the exploitation and consumption of littoral and maritime resources, and suggesting that fishing may have had played a key role in enabling intensive occupations of these environments. In this connection, the diversity of activities represented, the structure of the

Genotyping by Sequencing for SNP-Based Linkage Analysis and Identification of QTLs Linked to Fruit Quality Traits in Japanese Plum (Prunus salicina Lindl.)

Marker-assisted selection (MAS) in stone fruit (Prunus species) breeding is currently difficult to achieve due to the polygenic nature of the most relevant agronomic traits linked to fruit quality. Genotyping by sequencing (GBS), however, provides a large quantity of useful data suitable for fine mapping using Single Nucleotide Polymorphisms (SNPs) from a reference genome. In this study, GBS was used to genotype 272 seedlings of three F1 Japanese plum (Prunus salicina Lindl) progenies derived from crossing “98–99” (as a common female parent) with “Angeleno,” “September King,” and “September Queen” as male parents. Raw sequences were aligned to the Peach genome v1, and 42,909 filtered SNPs were obtained after sequence alignment. In addition, 153 seedlings from the “98–99” × “Angeleno” cross were used to develop a genetic map for each parent. A total of 981 SNPs were mapped (479 for “98–99” and 502 for “Angeleno”), covering a genetic distance of 688.8 and 647.03 cM, respectively. Fifty five seedlings from this progeny were phenotyped for different fruit quality traits including ripening time, fruit weight, fruit shape, chlorophyll index, skin color, flesh color, over color, firmness, and soluble solids content in the years 2015 and 2016. Linkage-based QTL analysis allowed the identification of genomic regions significantly associated with ripening time (LG4 of both parents and both phenotyping years), fruit skin color (LG3 and LG4 of both parents and both years), chlorophyll degradation index (LG3 of both parents in 2015) and fruit weight (LG7 of both parents in 2016). These results represent a promising situation for GBS in the identification of SNP variants associated to fruit quality traits, potentially applicable in breeding programs through MAS, in a highly heterozygous crop species such as Japanese plum.

ARQUEOLOGÍA DE ASENTAMIENTOS SALITREROS EN LA REGIÓN DE ANTOFAGASTA (1880-1930): SÍNTESIS Y PERSPECTIVAS

El desarrollo de la industria del salitre produjo un gran impacto entre fines del siglo XIX y comienzos del XX, no solo a nivel mundial, sino que localmente en la pampa desertica. Junto con introducir un nuevo sistema de produccion de caracter capitalista, genero un nuevo sistema de relaciones sociales que produjo materialidades particulares. Los estudios arqueologicos sistematicos del ciclo salitrero se reducen a esfuerzos esporadicos en la decada de 1980 y otros mas recientes en los ultimos cinco anos, todos en la region de Antofagasta. En este articulo se sintetizan dichos estudios dejando en evidencia el claro deficit de arqueologia historica a nivel nacional -y sobre todo industrial- con respecto al desarrollo de la arqueologia prehispanica. En el marco de una arqueologia historico-capitalista mundial ya consolidada, discutimos, ademas, como la formalizacion misma de una arqueologia industrial del salitre puede contribuir a dar voz a grupos desplazados de discursos dominantes. La arqueologia aportaria evidencia paralela y complementaria del ciclo del salitre a aquella aportada desde la historia, literatura, sociologia y mas recientemente antropologia, siempre teniendo como fuente principal el documento escrito y/u oral, y privilegiando la “oficina” y el territorio tarapaqueno como ejes analiticos.

Edward Said y la otredad cultural

Resumen es: Edward Said (1935-2003) es autor de una vasta obra que trata sobre cultura, literatura, musica y politica. Este trabajo aborda especificamente el concept...