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4261
Evaluación del contenido de carbono en diferentes tipos de vegetación en el Parque Nacional Cumbres de Monterrey
Publicado 2019“…The number of individuals per category was estimated to make a structural analysis, resulting in the diametric classes having an inverted distribution of J. The Importance Value Index was calculated by forest type, for the oak forest the specie with the highest values were the Quercus polymorpha specie (52.3%), in the oak-pine forest was Quercus polymorpha (52.3%) for the oak forest, the Quercus genus (39.9%) for the oak-pine forest, and for the Pine and pine-oak forest Pinus pseudostrobus with 49.9% and 31.5%, respectively. …”
Enlace del recurso
Tesis -
4262
Biología de la latencia en semillas de chile piquín Capsicum annuum var. glabriusculum (Dunal) Heiser & Pickersgill. El papel de las fitohormonas.
Publicado 2018“…One of these varieties is cayenne pepper (Capsicum annuum var. glabriusculum) which exploitation is reduced to just wild populations since there has been many attempts to cultivate it in an intensive way having as a result low percentage of germination since the seed shows non-deep physiological dormancy, a feature that has wild species. …”
Enlace del recurso
Tesis -
4263
Evaluación del contenido de carbono en diferentes tipos de vegetación en el Parque Nacional Cumbres de Monterrey
Publicado 2019“…The number of individuals per category was estimated to make a structural analysis, resulting in the diametric classes having an inverted distribution of J. The Importance Value Index was calculated by forest type, for the oak forest the specie with the highest values were the Quercus polymorpha specie (52.3%), in the oak-pine forest was Quercus polymorpha (52.3%) for the oak forest, the Quercus genus (39.9%) for the oak-pine forest, and for the Pine and pine-oak forest Pinus pseudostrobus with 49.9% and 31.5%, respectively. …”
Enlace del recurso
Tesis -
4264
Caracterización y restauración ecológica en el matorral espinoso tamaulipeco del noreste de México
Publicado 2016“…Prosopis laevigata was recorded as having the highest coverage with 89.12%, followed by Acacia farnesiana with 9.66% and Celtis pallida with 1.22%, where there is a high presence of individuals in the lower diametric classes, which shows a active regeneration status. …”
Enlace del recurso
Tesis -
4265
Regulación de la expresión de genes involucrados en la producción de compuestos de azufre en Saccharomyces cerevisiae
Publicado 2011“…In the presence of worts with low level of nutrients nitrogen, strain 820 downregulated genes that favor the incorporation of sulfur to carbon skeletons (MET6, MET13, MHT1) and at the same time over expressed genes related to the input of sulfate into the cell generating sulfur (MET3, MET2) in the other hand, strain 790 upregulated the way of balance in the production of AdoMet / methionine (MHT1 gene), without having an effect in any other gene involved. These results were confirmed by using qPCR, analyzing 18 genes total. 820 under the presence of low nitrogen compounds (wort1) was not able to adjust their genetic machinery for the incorporation of sulfur to carbon skeletons, in the other hand under the presence of wort rich in nitrogen compounds (wort 2) regulated its genetic machinery, expressing more genes involved in the transsulfuration pathway (CYS4) favored by the incorporation of serine in the way. 790 behaved differently, was able to adjust their genetic machinery in the presence of low content of nitrogen compounds by activating genes via transsulfuration (CYS4, SER2) as well genes by the incorporation of sulfur for methionine production and S-adenosylmethionine remethylation (MET6, MET13, MHT1). …”
Enlace del recurso
Tesis -
4266
Caracterización y restauración ecológica en el matorral espinoso tamaulipeco del noreste de México
Publicado 2016“…Prosopis laevigata was recorded as having the highest coverage with 89.12%, followed by Acacia farnesiana with 9.66% and Celtis pallida with 1.22%, where there is a high presence of individuals in the lower diametric classes, which shows a active regeneration status. …”
Enlace del recurso
Tesis -
4267
Regulación de la expresión de genes involucrados en la producción de compuestos de azufre en Saccharomyces cerevisiae
Publicado 2011“…In the presence of worts with low level of nutrients nitrogen, strain 820 downregulated genes that favor the incorporation of sulfur to carbon skeletons (MET6, MET13, MHT1) and at the same time over expressed genes related to the input of sulfate into the cell generating sulfur (MET3, MET2) in the other hand, strain 790 upregulated the way of balance in the production of AdoMet / methionine (MHT1 gene), without having an effect in any other gene involved. These results were confirmed by using qPCR, analyzing 18 genes total. 820 under the presence of low nitrogen compounds (wort1) was not able to adjust their genetic machinery for the incorporation of sulfur to carbon skeletons, in the other hand under the presence of wort rich in nitrogen compounds (wort 2) regulated its genetic machinery, expressing more genes involved in the transsulfuration pathway (CYS4) favored by the incorporation of serine in the way. 790 behaved differently, was able to adjust their genetic machinery in the presence of low content of nitrogen compounds by activating genes via transsulfuration (CYS4, SER2) as well genes by the incorporation of sulfur for methionine production and S-adenosylmethionine remethylation (MET6, MET13, MHT1). …”
Enlace del recurso
Tesis -
4268
Análisis del microbioma y su relación con citocinas en el fluido vaginal de pacientes con vaginosis bacteriana
Publicado 2017“…In particular, Vaginal Microbiome (VM) is distinctive and unique for each woman, having the ability to fluctuate throughout her life and fulfilling a determinant role in her reproductive health. …”
Enlace del recurso
Tesis -
4269
Extracción y caracterización funcional de la fibra de hojas del Agave tequilana weber destinados para la inclusión en alimentos
Publicado 2009“…For each method were selected a treatment, having as answer variable the Neutral Detergent Fiber (NDF) concentration and additional criteria’s. …”
Enlace del recurso
Tesis -
4270
Análisis del microbioma y su relación con citocinas en el fluido vaginal de pacientes con vaginosis bacteriana
Publicado 2017“…In particular, Vaginal Microbiome (VM) is distinctive and unique for each woman, having the ability to fluctuate throughout her life and fulfilling a determinant role in her reproductive health. …”
Enlace del recurso
Tesis -
4271
Extracción y caracterización funcional de la fibra de hojas del Agave tequilana weber destinados para la inclusión en alimentos
Publicado 2009“…For each method were selected a treatment, having as answer variable the Neutral Detergent Fiber (NDF) concentration and additional criteria’s. …”
Enlace del recurso
Tesis