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Analysis of Two Clonal Lines(Embryogenic and Non-Embryogenic)of Agave fourcroydes Using AFLP and MSAP

American Journal of Plant Sciences 2018年第4期9卷 745-762页

作者： Kelly M.Monja-Mio adriana quiroz-moreno Gastón Herrera-Herrera Jorge Luis Montero-Munoz Felipe Sánchez-Teyer Manuel L.Robert Unidad de Biotecnología Centro de Investigación Científica de YucatánMéridaMéxico Centro de Investigación y Estudios Avanzados I.P.N.(Cinvestav) MéridaMéxico

Somatic embryogenesis is a very efficient way to propagate economically important plants;however, not all genotypes within a species can be propagated using this method, as a combined effect of both genetic and epigenetic mechanisms may be involved in the response. The aim of the present study was to perform a comparative analysis of the genetic differences through amplified fragment length polymorphism (AFLP) and the epigenetic differences through methylation-sensitive amplified polymorphism (MSAP) of two Agave fourcroydes clonal lines, one highly embryogenic (K33) and the other non-embryogenic (K7). Genetic and epigenetic variabilities existed within each clonal line;however, the polymorphic profiles from the two marker systems allowed us to clearly distinguish the two clonal lines before somatic embryogenesis induction. During the induction, the changes detected were mainly 1) unmethylated fragments in the initial explants that were methylated during induction (methylation events) and 2) fragments with different methylation states in the initial explant that were unmethylated in some stages of the process (demethylation events). K33 showed greater dynamism in relation to methylation/demethylation events, while K7 presented the methylation events in a more constant range and at higher levels during all process.

关键词： Agave Clonal Line Somatic Embryogenesis DNA Methylation

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Gallbladder plication as a rare complication of endoscopic sleeve gastroplasty:A case report

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World Journal of Gastrointestinal Endoscopy 2023年第10期15卷 629-633页

作者： Cesar D quiroz Guadarrama Luis Andres Saenz Romero Eric Misael Saucedo moreno Martín E Rojano Rodríguez Obesity Clinic and Bariatric Surgery Dr.Manuel Gea González General HospitalMéxico 14080Mexico

Endoscopic sleeve gastroplasty(ESG)is a minimally invasive procedure used in the treatment of obesity,with a complication rate of less than 2%of *** have been only two reported cases worldwide of gallbladder injuries as a major complication of *** SUMMARY We present the case of a 34-year-old patient who developed a complication after *** patient experienced epigastric and right hypochondrium pain 12 h after the procedure,and a positive Murphy’s sign was identified on physical *** results showed a leukocyte count of 17×10^(3)/μL,and computed tomography indicated the presence of free fluid in the pelvic cavity and perihepatic recesses as well as a possible suture in the wall of the Hartmann’s pouch toward the anterior surface of the stomach.A diagnostic laparoscopy was performed,revealing plication of the Hartmann’s pouch wall to the anterior stomach *** cholecystectomy and lavage were carried *** patient had a stable recovery and was discharged 72 h after surgery,tolerating oral *** Gallbladder plication should be suspected if signs and symptoms consistent with acute cholecystitis occur after ESG.

关键词： Gastroplasty Bariatric surgery Complication Endoscopy Case report

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