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First isolation and identification of H1N1 swine influenza viruses in Colombian pig farms

Health 2012年第10期4卷 983-990页

作者： Gloria Consuelo Ramirez-Nieto cesar augusto diaz rojas Victor Julio Vera Alfonso Jairo Jaime Correa Jose Dario Mogollon Galvis Línea de Microbiología y Epidemiología Posgrado en Salud Animal Facultad de Medicina Veterinaria y de Zootecnia Universidad Nacional de Colombia Bogotá Colombia

The pig industry in Colombia has grown 30% in the last decade achieving high levels of technology and efficiency;in spite of that, respiratory diseases remain a constraint. Since 1970, serological evidence and histological findings suggested the role of swine influenza virus (SIV) as part of the porcine respiratory disease complex;nevertheless, elusive and molecular typing isolates are missing. This study was aimed at isolating SIV from intensive pig farms and to achieve molecular characterization to determine strains circulating in the field. In order to accomplish this goal, 242 samples were taken from nasal swabs, 25 from bronchial washes and 8 from lung tissue. Samples were collected during a period of three years, between 2008 and 2010 and were originated from 78 farms of the three main pig production regions of the country. The samples were transported in BHI broth with 2% antibiotic and antimycotic solution and stored at –70?C until processed. The swabs were inoculated in 9 - 11 days old embryo chicken eggs and in MDCK (Madin Darby Canine Kidney) cell cultures with the addition of trypsin. The isolates were identified by the HA (hemoagglutination) test and by RT-PCR targeting the HA (hemagglutinin), NA (Neuraminidase) and M (Matrix) genes. Full length sequence of the HA and NA glycoproteins from four selected virus isolates was conducted (Macrogen?. USA). As a result, fifteen SIV isolates from nine farms distributed in the three regions were obtained. Twelve of the isolates are related to the swine origin H1N1 virus that caused the 2009 influenza pandemic. The remaining three viruses were related to classical swine influenza viruses.

关键词： Swine Influenza H1N1 Colombia First Isolation Classical Pandemic

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Plant adaptation to low phosphorus availability:Core signaling,crosstalks,and applied implications

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Molecular Plant 2022年第1期15卷 104-124页

作者： Javier Paz-Ares Maria Isabel Puga Monica rojas-Triana Iris Martinez-Hevia Sergio diaz cesar Poza-Carrión Miguel Mi(n)ambres Antonio Leyva Department of Plant Molecular Genetics Centro Nacional de Biotecnología(CNB-CSIC)Darwin 3Campus Universidad Autónoma28049 MadridSpain Institute of Plant Biochemistry Institute of Synthetic Biology and CEPLASUniversity of Düsseldorf40225 DüsseldorfGermany

Phosphorus(P)is an essential nutrient for plant growth and *** preferentially absorb P as orthophosphate(Pi),an ion that displays low solubility and that is readily fixed in the soil,making P limita-tion a condition common to many soils and Pi fertilization an inefficient *** cope with Pi limitation,plants have evolved a series of developmental and physiological responses,collectively known as the Pi starvation rescue system(PSR),aimed to improve Pi acquisition and use efficiency(PUE)and protect from Pi-starvation-induced *** research has been carried out during the last 20 years to un-ravel the mechanisms underlying the control of the PSR in *** we review the results of this research effort that have led to the identification and characterization of several core Pi starvation signaling components,including sensors,transcription factors,microRNAs(miRNAs)and miRNA inhibitors,kinases,phosphatases,and components of the proteostasis *** also refer to recent results revealing the existence of intricate signaling interplays between Pi and other nutrients and antagonists,N,Fe,Zn,and As,that have changed the initial single-nutrient-centric view to a more integrated view of nutrient ***,we discuss advances toward improving PUE and future research priorities.

关键词： inositol pyrophosphate plant nutrient PHR1 transcription factor PUE(phosphorus acquisition and use efficiency) SPX sensor and STOP1 transcription factor

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Polyoxidovanadates a new therapeutic alternative for neurodegenerative and aging diseases

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Neural Regeneration Research 2024年第3期19卷 571-577页

作者： Sonia Irais Gonzalez-Cano Gonzalo Flores Jorge Guevara Julio cesar Morales-Medina Samuel Treviño Alfonso diaz Faculty of Chemical Sciences Benemerita Autonomous University of PueblaPueblaMexico Institute of Physiology Benemerita Autonomous University of PueblaPueblaMexico Department of Biochemistry Faculty of MedicineNational Autonomous University of MexicoMexico CityMexico Animal Reproduction Research Center CINVESTAV-Autonomous University of TlaxcalaTlaxcalaMexico

Aging is a natural phenomenon characterized by a progressive decline in physiological integrity,leading to a deterioration of cognitive function and increasing the risk of suffering from chronic-degenerative diseases,including cardiovascular diseases,osteoporosis,cancer,diabetes,and *** is considered the major risk factor for Parkinson’s and Alzheimer’s disease ***,diabetes and insulin resistance constitute additional risk factors for developing neurodegenerative ***,no treatment can effectively reverse these neurodegenerative ***,some antidiabetic drugs have opened the possibility of being used against neurodegenerative *** the previous framework,Vanadium species have demonstrated a notable antidiabetic *** research group evaluated polyoxidovanadates such as decavanadate and metforminium-decavanadate with preventive and corrective activity on neurodegeneration in brain-specific areas from rats with metabolic *** results suggest that these polyoxidovanadates induce neuronal and cognitive restoration *** review aims to describe the therapeutic potential of polyoxidovanadates as insulin-enhancer agents in the brain,constituting a therapeutic alternative for aging and neurodegenerative diseases.

关键词： Alzheimer’s disease antidiabetic brain cognition diabetes insulin neurodegeneration neuroinflammation oxidative stress Vanadium species

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Macronutrient Composition of Giant Water Bug （Lethocerus sp.） Edible Insect in Mexico and Thailand

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Journal of Agricultural Science and Technology(A) 2016年第5期6卷 349-354页

作者： Virginia Melo-Ruiz Consuelo Moreno-Bonett Karina Sanchez-Herrera Rafael diaz-Garcia cesar Gazga-Urioste Department of Biologic Systems Metropolitan Autonomous University Mexico City 04960 Mexico Department of Health Care Metropolitan Autonomous University Mexico City 04960 exico

The health benefits of nutrients provided by edible insects are not properly studied, even though insect intake in LatinAmerican and Asia is a cultural tradition since ancient times. Insects from the giant water bug （Belostomidae family） are consumedboth in Mexico and Thailand, and are known as ＂Cucarachon de agua＂（Lethocerus americanus） and ＂Mangda＂（Lethocerus indicus）,respectively. Raw samples of these insects were collected on 2014 at Xochimilco channels from Mexico and from Warorot nightmarket in Chiang Mai, Thailand to further analyze nutrient composition of samples according to official methods of analysis （AOAC）techniques. The nutrient compositions were as following： proteins 60.12% and 53.11%; lipids 5.72% and 8.15%; minerals 5.46% and6.75%; fiber 10.95 % and 12.23%; soluble carbohydrates 17.75% and 19.74%, for insects obtained from Mexico and Thailand,respectively. Giant water bug shows differences in nutrient composition. It may be the consequence of differences in the environmentwhere they acquire the nutrients necessary for growth and reproduction. However, giant water bugs are available all year around andare a good source of proteins that could help people to obtain a cheaper source of this important macronutrient.

关键词： Giant water bug, edible insect, nutrition, health, nutraceutical.

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Iron Profile of Octopus Hubbsorum （Cephalopoda： Octopodidae） for Enrichment of the Mexican Diet

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Journal of Chemistry and Chemical Engineering 2016年第5期10卷 241-244页

作者： Palacios-Abrantes Juliano Melo-Ruiz Virginia diaz-Garcia Rafael Gazga-Urioste cesar Urbano Brian Departamento de Sistemas Biologicos Universidad Autonoma Metropolitana Unidad Xoehimilco. Calzada del hueso 1100 Col. Villa Quietud Delegacion Coyoacan C.P. 04960 D.F. MExico Laboratorio de Malacologia Instituto de Ciencias del mary Limnologia Universidad Nacional Aut6noma de Mdxico. Exterior s/nCiudad Universitaria Coyoacan 04510 Ciudad de D.F. Mexico

FAO （Food and Agriculture Organization of the United Nations） declared that 12% of the world＇s population is undernourished while in Mexico the number is around 5%. Minerals are essential for the daily diet; iron （Fe） is an important mineral on human welfare because it has a main role on the function of the immune and central nervous systems, among others. Most Mexicans fulfill their iron requirements from vegetables, which are poorly absorbed; nevertheless, in coastal populations, where seafood-rich in ironis available, it is not consumed on a regular diet. The aim of this work was to analyze minerals, focusing on the iron content of Octopus hubbsorum B （Cephalopoda： Octopodidae）, an animal of the Mexican Pacific coast. Three specimens were analyzed, two from the north and one from central Pacific Ocean. Data obtained for the central Pacific Octopus was 0.008% and data for the North Pacific were 0.008% and 0.011%, repectively. In conclusion, the supply of iron for the Mexican diet provided by Octopus hubbsorum B is significant, therefore is recommended to consume more of this resource, to diminish iron deficiency, a world-wide problem, and to improve human health.

关键词： Iron Mexico octopus nutrition food security.

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Chia Seeds （Salvia hispanica L） Wild Plant Rich in Nutrients

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Journal of Life Sciences 2016年第5期10卷 221-227页

作者： Virginia Melo-Ruiz Beatriz Schettino-Bermudez Jesris Rodriguez-Diego Rafael diaz-Garcia ConcepcionCalvo-Carrillo cesar Gazga-Urioste Biologic Systems Department Metropolitan Autonomous University Mexico City 04960 Mexico Agricultural and Animal Production Department Metropolitan Autonomous University Mexico City 04960 Mexico Health Care Department Metropolitan Autonomous University Mexico City 04960 Mexico

Chia seeds played an important role in different ethnic group＇s diet at pre-Hispanic times. Later, it was domesticated due to high demand by the population and nowadays it＇s cultivated in several states of Mexico. However, seeds are not part of the Mexican average diet. The aim of this research was to asses Chia seed＇s macronutrients and promote consumption among population to decrease malnutrition. Chia seeds were collected at Puebla State （2015） and analyzed according to AOAC [1] methods. Data obtained （g/100 g dry basis） were： proteins 18.51%; lipids 31.33%; minerals 4.45%; fiber 24.45%; soluble carbohydrates 21.38%. Chia seeds absorb water about ten times its weight, is gluten free and contain a good amount of proteins, indispensable for human life In addition, Chia seeds have a balanced amount of polyunsaturated essential lipids, which are important for brain function, minerals, fiber and soluble carbohydrates. Chia seeds are available all year and are well accepted by all social groups, therefore it could be a good option to improve human health.

关键词： Chia seeds nutraceutic benefits nutritional plant.

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Nutraceutical Effect of Cuetlas （Arsenura armida C.） Edible Insects as Local Food at Ixcaquixtla, Mexico

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Journal of Agricultural Science and Technology(A) 2016年第6期6卷 423-428页

作者： Virginia Melo-Ruiz Tomas Quirino-Barreda Susana Macin-Cabrera Karina Sanchez-Herrera Rafael diaz-Garcia cesar Gazga-Urioste Department of Biologic Systems Metropolitan Autonomous University Mexico City PC 04960 Mexico Department of Health Care Metropolitan Autonomous University Mexico City PC 04960 Mexico

Insect＇s nutrient composition may provide a good source of macro- and micro-nutrients with nutraceutical functions that could help people from semirural areas, such as Ixcaquixtla, located southeast of the Puebla State, Mexico. The aim of this study was to assess macro- and micro-nutrients in Cuetlas （Arsenura armada C.） larvae and inform local people about the nutraceutical benefits that those insects could provide. Cuetlas larvae samples were collected from Jonote tree on August, 2014 to analyze minerals and macro-nutrient of raw larvae according to AOAC （1995） techniques. Results showed that Cuetlas larvae contained 56.93% proteins, 14.76% lipids, 2.95% minerals, 2.13% fiber and 23.23% soluble carbohydrates. Cuetlas larvae have a good amount of proteins, essential macromolecules for human life as well as essential fatty acids that are important sources of fuel for brain cells and in particular for cardiac and skeletal muscle, minerals, not determined individually, which are important for metabolism processes, fiber for digestive processes and soluble carbohydrates as energy source.

关键词： Cuetlas edible insects nutrition health nutraceutical.

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Diversity and host assemblage of avian haemosporidians in different terrestrial ecoregions of Peru

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Current Zoology 2022年第1期68卷 27-40页

作者： Luz GARCIA-LONGORIA Jaime MURIEL Sergio MAGALLANES Zaira Hellen VILLA-GALARCE Leonila RICOPA Wilson Giancarlo INGA-diaz Esteban FONG Daniel VECCO cesar GUERRA-SALDANA Teresa SALAS-RENGIFO Wendy FLORES-SAAVEDRA Kathya ESPINOZA Carlos MENDOZA Blanca SALDANA Manuel GONZALEZ-BLAZQUEZ Henry GONZALES-PINEDO Charlene LUJAN-VEGA Carlos Alberto Del AGUILA Yessica VILCA-HERRERA Carlos Alberto PINEDA Carmen REATEGUI Jorge Manuel CARDENAS-CALLIRGOS JoseAlberto IANNACONE Jorge Luis MENDOZA Ravinder NMSEHGAL Alfonso MARZAL Departamento de Anatomia Biologia Celular y ZoologiaUniversidad de ExtremaduraBadajoz E-506071Spain Molecular Ecology and Evolution Lab Department of BiologyLund UniversitySolvegatan 37SE-22362 LundSweden Instituto Pirenaico de Ecologıa-IPE(CSIC) Avda.Nuestra Senora de la Victoria 16Jaca 22700Spain DIRESA Direccion Regional de SaludLoreto 16001Peru Departamento Academico de Microbiologia y Parasitologia.Facultad de Ciencias Biologicas Universidad Nacional de la Amazonia PeruanaIquitos 16001Peru Facultad de Ciencias Agropecuarias Universidad Alas PeruanasLima 15823Peru EverGreen Institute-San Rafael Distrito de IndianaLoreto 16200Peru Observatorio de Aves Loreto(LBO) Distrito de San JuanLoreto 16008Peru Centro Urku de Estudios Amazonicos Tarapoto 22200Peru Servicio Nacional de Areas Naturales Protegidas por el Estado 15036Peru Sanidad Animal-Facultad de Zootecnia Universidad Nacional Agraria La MolinaLima 15012Peru Laboratorio de Microbiologia Facultad de Medicina Veterinaria y ZootecniaUniversidad CientUfica del SurLima 15067Peru Laboratorio de Analisis Clinico Moraleslab SAC MoralesSan Martin 22201Peru Asociacion Ecosistemas Andinos(ECOAN) Cuzco 08002Peru Pharmacology and Toxicology Graduate Group University of CaliforniaDavisDA 95616USA Global Health Initiative Wabash CollegeCrawfordsvilleIN 47933USA Facultad de Ciencias Biologicas Universidad Nacional Mayor de San MarcosLima 15081Peru Facultad de Medicina Veterinaria Universidad Nacional Hermilio ValdizanHuanuco10160Peru Asociacion Peruana de Helmintologia e Invertebrados Afines Lima 15054Peru Laboratorio de Ecologia y Biodiversidad Animal Universidad Nacional Federico VillarrealEl AgustinoLima 15007Peru Laboratorio de Invertebrados Universidad Ricardo Palma-Santiago de SurcoLima 15537Peru Department of Biology San Francisco State UniversitySan FranciscoCA 94132USA

Characterizing the diversity and structure of host–parasite communities is crucial to understandingtheir eco-evolutionary *** and related haemosporidian parasites are responsible forfitness loss and mortality in bird species ***,despite exhibiting the greatest ornithologicalbiodiversity,avian haemosporidians from Neotropical regions are quite ***,we analyze the genetic diversity of bird haemosporidian parasites(Plasmodium andHaemoproteus)in 1,336 individuals belonging to 206 bird species to explore for differences in diversityof parasite lineages and bird species across 5 well-differentiated Peruvian *** 70 different haemosporidian lineages infecting 74 bird *** showed that 25 out ofthe 70 haplotypes had not been previously ***,we also identified 81 new host–parasite interactions representing new host records for these haemosporidian *** outcomesrevealed that the effective diversity(as well as the richness,abundance,and Shannon–Weaver index)for both birds and parasite lineages was higher in Amazon basin ***,we also showed that ecoregions with greater diversity of bird species also had highparasite richness,hence suggesting that host community is crucial in explaining parasite *** parasites were found in ecoregions with lower bird diversity,implying that the abundanceand richness of hosts may shape the exploitation strategy followed by haemosporidian *** outcomes reveal that Neotropical region is a major reservoir of unidentified *** studies analyzing host distribution and specificity of these parasites inthe tropics will provide important knowledge about phylogenetic relationships,phylogeography,and patterns of evolution and distribution of haemosporidian parasites.

关键词： Amazonia avian malaria generalist parasite habitat specificity Haemoproteus Plasmodium specialist parasite

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