Sistema Regional de Información
en línea para Revistas Científicas de América Latina,
el Caribe, España y Portugal

Introduction: Schizotypical disorder appears at very early ages as a general pattern of social and interpersonal deficit; eccentric behavior; reduced capacity to maintain personal relations; and cognitive distortions, which are psychologically inexplicable. Objective: To establish the medico-legal implications in a case of schizotypical personality disorder that committed homicide. Case presentation: A 22 years old individual, single, without children, technician, without history of mental disorders who is studied by Forensic Psychiatry because he attacked his maternal grandfather with a knife, which caused his death.  Psychiatric examination was done; the Impulsiveness Scale was applied; and an enlectroencephalogram (EEG) and a psychological evaluation were carried out, which included Bender, Machover, and Rorschach tests. The evaluating staff made the diagnosis of Schizotypical disorder, without mental derangement. Conclusions: Schizotypical disorder is not a frequent diagnosis in Psychiatry.  When it is involved in criminal behaviors, they occur in isolation and they are usually related to attacks to other persons.  It is a determinant condition of semi-imputability or imputability.  Prison system is not recommended.Keywords: schizotypical disorder, Psychiatric Study, Forensic Psychiatry, violence, homicide, imputability.

ABSTRACTIntroduction: When the death of a product of conception occurs, important aspects resulting from the completion of the medico-legal necropsy that define the behaviors to be followed with those presumed responsible for a crime must be specified. To achieve this, it is necessary to establish whether extrauterine life existed or not, which will give the definition of "person" to the mentioned product, as it is established in the civil legislation. Objective: To establish the possible type of crime and consider the possibility of an illegal abortion or a murder, as well as to specify the causes and circumstances in which the death occurred.Case Presentation: A corpse that was considered a product of conception was found in a dwelling house, wrapped up next to the placenta and the umbilical cord.  The mother had kept a hidden pregnancy. During the act of performing a necropsy, it was demonstrated that it was a viable product that had had extrauterine life.  Conclusions:  A rare and unusual case is presented in forensic practice. It was determined that she was a newborn baby girl because she had had extrauterine life, whose causes of death were related to a traumatic brain injury. Keywords: Autopsy, fetus, cause of death, homicide, infanticide, criminal abortion.

From a cultural point of view, the xoconostles (Opuntia spp.) Have been an important factor in the economic sustenance of the peasant of the semi-arid zones of Mexico; however, to date, although xoconostles are a plant genetic resource with great potential, there are few works that allow us to know their diversity or their very existence. The recent efforts of the integrated inter-institutional group within the framework of the Nopal Network of the National System of Plant Genetic Resources for Food and Agriculture (SINAREFI), have allowed the rescue and evaluation of an important part of the diversity of xoconostles existing in Mexico. A new horticultural form of the genus Opuntia Miller (Cactaceae), considered as a variety of common use, is found in Villa of Tezontepec Municipality, Hidalgo, Mexico, known as xoconostle ‛Borrego’ (Opuntia oligacantha Förster). It was evaluated from 2012 to 2015 and it was found that its fruit is of medium size (74 ±1.09 cm) and oboval shape, with floral scar strongly sunken and very long peduncle (15.4 ±0.217 cm), with an external coloration of irregular coloration medium red, walls of pink hue, wide (10.6 ±0.363 mm, characteristic of the xoconostles), acidic (pH 3.22 ±0.039, dry to semi-dry and tasteless pink fungus, firm consistency, low sugar content (6.9 ±0.169 °Brix) and with an average number of fully developed seeds (218 ±1.723). The average yield in four years of evaluation was 13.59 t ha-1 and its fruits remain for more than six months in the plant, after the beginning of the This variety has the definitive registration Number XOC-026-290212 of the CNVV-SNICS and has been validated under the conditions of the central table of Mexico, in order to increase the varietal pattern for the commercial production of cactus in the region.

This paper provides information on the use of organic substrates made   from cattle manure treated to cucumber production. The work performed in greenhouse conditions in 2011, at the Technological Institute of Torreón (ITT), Torreon, Coahuila. The experimental design was completely randomized; considering four treatments with four replications: vermicompost + sand (20:80 v/v); solarized manure + sand (20:80); vermicompost + solarized manure + sand (10:10:80) and a control treatment manure (Steiner solution). The substrate mixtures were formulated based on volume (v/v) using 15 kg black polyethylene bags. The genetic material was the hybrid Hisham 1110-EZ. The evaluated variables were plant height, fresh and dry weight, yield, fruit quality, leaf soluble solids and chemical analysis; substrate in the physical, chemical and microbiological parameters were also evaluated. The results indicated significant response in height, and analyzing yield of the plant tissue, as well as pH and EC. Cucumber yield was higher with the Steiner solution (9.87 kg m-2); mixing of sand + vermicompost (80:20) obtained the highest yield of organic substrates, 8.45 kg m-2. These results suggest that, the use of sand substrate with vermicompost as a means of growth and nutrition, could allow reducing traditional fertilization, which is considered an improvement in systems of organic greenhouse production. 

Vase-life was evaluated in lisianthus inflorescences ‘ABC Blue Rim’ stored wet or dry for 5, 10 and 15 days at 3 °C and 85% relative humidity (RH) in darkness; before storage, a solution at 3% of sucrose + 200 mg L-1 of Hydroxyquinoline citrate for 24 h was applied. Leaving low temperature, vaselife was evaluated in a chamber with a temperature of 20 ± 1 °C and 80 ± 2% RH, during 12 h light/dark and PAR of 173 ± 50 µmol m2s-1. A group of inflorescences was stored at low temperature (control); these inflorescences showed climacteric, a relative increased fresh weight (7.2%), water consumption (31.1 mL stem-1) and stomatal conductance (170 mmol m2 s-1); nine days after harvest, we had three open-flowers with uniform appearance and catalase activity incremented up to 6.3 Ug-1 fresh weight, whereas the activity of peroxidase was held constant for vase-life (between 0.1 and 0.4 Ug-1 weight). Flowers stored in water showed climacteric behaviour similar to that of the control, lower relative increase in fresh weight, similar water consumption and increased stomatal conductance than the controls; postharvest life went up to 19 days, the enzyme activity of catalase and peroxidase increased, similar to the controls. Dry storage was only feasible for five days. 

Agronomic traits and genetic components are indicators of quality; additional factors are important to study the traits of germplasm in a breeding program. The effects of general (GCA) and specific (SCA) combining adequacy and the type of gene action for agronomic traits of regular maize (Zea mays L.) seeds and high-quality protein were analysed. The genetic material consisted of 10 maize inbred lines: four of regular grain and six high-quality protein. The variables analysed were: days to male and female flowering, plant and ear height, plant and ear score, and grain yield. The results showed significant variation among genotypes (p≤ 0.01) on the effects of GCA and SCA for all agronomic variables. Lines were identified as: T-44, B-41, LT-155, T-45 and CML-144 C, with higher values   of GCA, being 0.6379, 0.4592, 0.3286, 0.2945 and 0.3382 t ha-1, respectively, for grain yield. Furthermore, outstanding materials based on its identified SCA crosses 4 * 8 (B-41 * CML-144), 1 * 5 (T-45 * CLQ-6203), and 2 * 7 (T-44 * CML- 142), with SCA estimated values for grain yield of 1.0875, 0.9544 and 0.7591 t ha-1, respectively. The type of additive gene action was the predominant in agronomic characters. 

Salinity suppresses plant growth and reduce agricultural productivity due to a water deficit, ion toxicity, causing nutrient skewness. A sub-irrigation system on principle, is based on capillary rise of water, up to the root zone, decreasing nutrient leaching compared with traditional watering systems. In void areas of northern Mexico, there are often high levels of calcium (Ca), magnesium and sulphate in irrigation water, directly affecting the electrical conductivity (EC). This paper proposed to evaluate the effect of EC on the growth of lettuce plants using two types of irrigation systems: surface and sub-irrigation. The diameter of the plants was bigger in plants with surface irrigation system compared to those with sub-irrigation; however, plants sub-irrigated with solution 3.3 dS m-1 showed a higher fresh weight than those with surface irrigation, so this system is a good option to meliorate the effect of salinity. The rate of photosynthesis, transpiration and leaf conductance were not altered by the irrigation system at all, but transpiration and conductance were higher in sub-irrigated plants. A higher EC of the nutrient solution increased the bottom EC of the substrate, and the middle and top layer, and the surface irrigation system was higher compared to that presented by sub-irrigation. High EC of the nutrient solution did not attain the concentration of nitrogen or phosphorus whatsoever, but at elevated EC of the substance, the foliar potassium concentration did increased.

In Veracruz, terminal drought is the most limiting abiotic feature for the production of beans (Phaseolus vulgaris L.) in the production system of residual moisture. The objectives of the research were: to rated opaque Negro bean genotypes for resistance to drought and to identify the most efficient yield under irrigated and terminal drought in winter-spring 2013, two experiments were conducted Cotaxtla, Vieracruz; one with full irrigation and other irrigation suspension from the start of flowering. 22 lines and varieties Negro INIFAP, Negro Tacaná and Negro Jamapa were evaluated in randomized block experimental design with three replications. Days at physiological maturity were quantified, dry matter production without grain, pods per plant, seeds per pod, 100 seed weight and grain yield. As estimators of efficiency indices drought susceptibility (ISS) and relative efficiency yield (IER) were used. Yield and the number of pods per plant were the most affected characteristics by terminal drought, with average reductions of 41.39 and , NCB-229, SCN-2, Jamapa Plus and SEN-70 were the most resistant genotypes to drought, whereas X02-33-159-2, X02-33-147-2, B 98311, MBSF-14729 and Negro Jamapa, the most susceptible. CIAT-103-25, SCN 2 SEN 70, NGO 229, 17-99 and NCB 229 showed the best efficiency in irrigation and drought yield (IER greater than 1.35) while X02-33-159-2, B-98311, MBSF-14729 and Negro Jamapa, had the lowest production efficiency. 

  The low efficiency of some nucleic acid extraction protocols and the high cost of commercial products, derives in the comparison between methods. In the present work three DNA extraction methods were compared from soybean, to obtain nucleic acids of adequate concentration and quality for PCR amplification. The protocols studied included the methods with 1% and 3% CTAB solutions, with 1% sarcosine and with phenol/chloroform. The experiments were carried out in the DNA and Genomics laboratory of the National Genetic Resources Center-INIFAP. The yield, purity, integrity and functionality of the obtained nucleic acids were evaluated. In all methods, adequate DNA yield was achieved, however, the required purity of the material was only obtained with the phenol/chloroform solution. With the methods of CTAB at 1% and 3% and sarcosine, PCR inhibiting substances were observed, while, with phenol/chloroform, the values of the A260/280 ratio were in a range of 1.96 to 2.00 and the A260/230 ratio in a range of 1.75 to 2.44, with significant differences (p< 0.0001) with the rest of the methods, in addition, the DNA was of high molecular weight and the rbcL gene was amplified by PCR in all the samples. The use of the phenol/chloroform protocol allowed to obtain from soybean, nucleic acids of adequate concentration and quality for PCR amplification.

[…] el desorden está incluidoen el concepto de ordenRobert Cox