Assessing the Changing Rationale of the Fisher Youth in Climate Change Hotspots of Kerala

The Indian fisheries and aquaculture statistics seems fail largely to capture the youth and children working in the sector. A detailed study in the area related to the rising interest of fishermen, especially the younger generation to move out of fisheries in search of new opportunities in other fields and the reasons for the same has not been carried out. Taking this into consideration, to throw insights into the changing rationale of fisher youth, and their preferences in the context of climate change and depletion in fish catch over the years, a study was conducted in three coastal villages of Ernakulam district with the objectives of assessing the socio-economic profile of the fishermen community, younger generations interest in choosing fisheries as a livelihood option, generational shift in fishing operations and reasons for the disinterest of the younger generation in choosing fisheries as an occupation. Low status job, low profit and income, poor working conditions, high capital investment and operating cost and seasonal nature of occupation was reported as the five major reasons because of which the younger generation is not interested in choosing fisheries as an occupation and a considerable generational shift in social, economic and professional status was observed

DNA methylation and nucleosome occupancy regulate the cancer germline antigen gene MAGEA11

MAGEA11 is a cancer germline (CG) antigen and androgen receptor co-activator. Its expression in cancers other than prostate, and its mechanism of activation, has not been reported. In silico analyses reveal that MAGEA11 is frequently expressed in human cancers, is increased during tumor progression, and correlates with poor prognosis and survival. In prostate and epithelial ovarian cancers (EOC), MAGEA11 expression was associated with promoter and global DNA hypomethylation, and with activation of other CG genes. Pharmacological or genetic inhibition of DNA methyltransferases (DNMTs) and/or histone deacetylases (HDACs) activated MAGEA11 in a cell line specific manner. MAGEA11 promoter activity was directly repressed by DNA methylation, and partially depended on Sp1, as pharmacological or genetic targeting of Sp1 reduced MAGEA11 promoter activity and endogenous gene expression. Importantly, DNA methylation regulated nucleosome occupancy specifically at the -1 positioned nucleosome of MAGEA11. Methylation of a single Ets site near the transcriptional start site (TSS) correlated with -1 nucleosome occupancy and, by itself, strongly repressed MAGEA11 promoter activity. Thus, DNA methylation regulates nucleosome occupancy at MAGEA11, and this appears to function cooperatively with sequence-specific transcription factors to regulate gene expression. MAGEA11 regulation is highly instructive for understanding mechanisms regulating CG antigen genes in human cancer

Assessment of Online Fish Marketing in Ernakulam District, Kerala

The growth of fish production and development of fishery sector is highly dependent on an efficient fish marketing system. Fish marketing strategies developed and evolved along with the changing time and has now reached the digital era where the possibilities of incorporating technology in the marketing system is being explored. Online fish marketing is the new innovative approach in the field, trying to cater to the ever-increasing demand of high quality fresh and affordable fish among the consumers delivered within the shortest time period. On one hand, it helps the producers get a deserving legitimate share in the consumer's rupee and on the other hand, it safeguards consumer's rights against excessive prices. This study is an attempt to assess the online fish trade existing in Ernakulam district of Kerala. Seventeen firms/outlets were selected to analyse various aspects related to the online firms including species traded, mode of sales, customer profile, storage facilities, constraints faced etc

Assessing the Alternative Livelihood Options for Climate Change Vulnerable Coastal Fishing Villages in Kerala, India

Fisheries and allied sectors provide means of livelihood to millions of people around the world. In India more than 14.5 million individuals depend on fisheries for their livelihood, with Gujarat, Tamil Nadu and Kerala being the main three marine fish producing states of the country. The social and economic contribution of fisheries as a sector cannot be ignored or go unnoticed. Similarly the impact of climate change on fisheries and its resultant impact on the livelihood of fisheries dependent communities cannot be ignored. To address these pertinent issues, we first need to understand the impact of climate change on fisheries and the need of alternative livelihood options from the perspective of the direct stakeholders i.e. fishermen. This study is an endeavour to look at the need of Alternative livelihood options (ALOs) because of climate change among the coastal communities in Poonthura and Elamkunnapuzha villages of Thiruvananthapuram and Ernakulum respectively. Among the 222 marine fishing villages of Kerala, Poonthura and Elamkunnapuzha are the major fishing villages from the South West hotspot locales of India. The examination investigated different socioeconomic aspects, for example, fishing activity, basic household data, economic as well as historic and cultural dependence on fishing, employment and occupational structure, income distribution and assets, physical capital, financial capital, social capital, and exposure and awareness of the fishermen families to climate change by interviewing 1259 fishermen from Poonthura and Elamkunnapuzha. The study conducted in the most climate change vulnerable marine hotspots of Kerala (Elamkunnapuzha and Poonthura) explains the problems and prospects of the inhabitants in the sector and the importance of Alternative Livelihood Options (ALOs) in climate change adaptation

The InfraRed Imaging Spectrograph (IRIS) for TMT: latest science cases and simulations

The Thirty Meter Telescope (TMT) first light instrument IRIS (Infrared Imaging Spectrograph) will complete its preliminary design phase in 2016. The IRIS instrument design includes a near-infrared (0.85 - 2.4 micron) integral field spectrograph (IFS) and imager that are able to conduct simultaneous diffraction-limited observations behind the advanced adaptive optics system NFIRAOS. The IRIS science cases have continued to be developed and new science studies have been investigated to aid in technical performance and design requirements. In this development phase, the IRIS science team has paid particular attention to the selection of filters, gratings, sensitivities of the entire system, and science cases that will benefit from the parallel mode of the IFS and imaging camera. We present new science cases for IRIS using the latest end-to-end data simulator on the following topics: Solar System bodies, the Galactic center, active galactic nuclei (AGN), and distant gravitationally-lensed galaxies. We then briefly discuss the necessity of an advanced data management system and data reduction pipeline.Comment: 15 pages, 7 figures, SPIE (2016) 9909-0

CropPol: a dynamic, open and global database on crop pollination

Seventy five percent of the world's food crops benefit from insect pollination. Hence, there has been increased interest in how global change drivers impact this critical ecosystem service. Because standardized data on crop pollination are rarely available, we are limited in our capacity to understand the variation in pollination benefits to crop yield, as well as to anticipate changes in this service, develop predictions, and inform management actions. Here, we present CropPol, a dynamic, open and global database on crop pollination. It contains measurements recorded from 202 crop studies, covering 3,394 field observations, 2,552 yield measurements (i.e. berry weight, number of fruits and kg per hectare, among others), and 47,752 insect records from 48 commercial crops distributed around the globe. CropPol comprises 32 of the 87 leading global crops and commodities that are pollinator dependent. Malus domestica is the most represented crop (32 studies), followed by Brassica napus (22 studies), Vaccinium corymbosum (13 studies), and Citrullus lanatus (12 studies). The most abundant pollinator guilds recorded are honey bees (34.22% counts), bumblebees (19.19%), flies other than Syrphidae and Bombyliidae (13.18%), other wild bees (13.13%), beetles (10.97%), Syrphidae (4.87%), and Bombyliidae (0.05%). Locations comprise 34 countries distributed among Europe (76 studies), Northern America (60), Latin America and the Caribbean (29), Asia (20), Oceania (10), and Africa (7). Sampling spans three decades and is concentrated on 2001-05 (21 studies), 2006-10 (40), 2011-15 (88), and 2016-20 (50). This is the most comprehensive open global data set on measurements of crop flower visitors, crop pollinators and pollination to date, and we encourage researchers to add more datasets to this database in the future. This data set is released for non-commercial use only. Credits should be given to this paper (i.e., proper citation), and the products generated with this database should be shared under the same license terms (CC BY-NC-SA). This article is protected by copyright. All rights reserved

Anisotropic nanomaterials: structure, growth, assembly, and functions

Comprehensive knowledge over the shape of nanomaterials is a critical factor in designing devices with desired functions. Due to this reason, systematic efforts have been made to synthesize materials of diverse shape in the nanoscale regime. Anisotropic nanomaterials are a class of materials in which their properties are direction-dependent and more than one structural parameter is needed to describe them. Their unique and fine-tuned physical and chemical properties make them ideal candidates for devising new applications. In addition, the assembly of ordered one-dimensional (1D), two-dimensional (2D), and three-dimensional (3D) arrays of anisotropic nanoparticles brings novel properties into the resulting system, which would be entirely different from the properties of individual nanoparticles. This review presents an overview of current research in the area of anisotropic nanomaterials in general and noble metal nanoparticles in particular. We begin with an introduction to the advancements in this area followed by general aspects of the growth of anisotropic nanoparticles. Then we describe several important synthetic protocols for making anisotropic nanomaterials, followed by a summary of their assemblies, and conclude with major applications

Endoscopic Transmural Necrosectomy for Walled-Off Pancreatic Necrosis: A Systematic Review and Meta-Analysis

BACKGROUND: Endoscopic transmural necrosectomy (ETN) is emerging as a viable treatment option for walled-off pancreatic necrosis. This NOTES-type procedure is significantly less invasive than an extensive surgical debridement; however, published data regarding the success of ETN in treating pancreatic necrosis have varied