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C Lori, A Kaczmarczyk, I de Jong, U Jenal
The alphaproteobacterial general stress response is governed by a conserved partner-switching mechanism that is triggered by phosphorylation of the response regulator PhyR. In the model organism Caulobacter crescentus , PhyR was proposed to be phosphorylated by the histidine kinase PhyK, but biochemical evidence in support of such a role of PhyK is missing. Here, we identify a single-domain response regulator, MrrA, that is essential for general stress response activation in C. crescentus We demonstrate that PhyK does not function as a kinase but accepts phosphoryl groups from MrrA and passes them on to PhyR, adopting the role of a histidine phosphotransferase...
May 22, 2018: MBio
Sudeep Shrestha, Andrew L Thorne-Lyman, Swetha Manohar, Binod Shrestha, Sumanta Neupane, Ruchita Rajbhandary, Raman Shrestha, Rolf Dw Klemm, Bareng As Nonyane, Ramesh K Adhikari, Patrick Webb, Keith P West
BACKGROUND AND OBJECTIVES: Preschool undernutrition remains a burden in Nepal. This paper reports results of surveys in 2013 and 2014, examining patterns of child nutritional status across the country, associations with household food insecurity and antecedent comparative national data for subsequent evaluations of nutritional status following the earthquake in Nepal in 2015. METHODS AND STUDY DESIGN: A multi-stage sample was drawn comprising 21 sites in 75 districts of the country, representing the mountains, hills and Terai zones, providing proportionate to zonal samples of 4286 and 4947 households and 5401 and 5474 preschool children in each year, respectively...
2018: Asia Pacific Journal of Clinical Nutrition
Trias Mahmudiono, Triska Susila Nindya, Dini Ririn Andrias, Hario Megatsari, Richard R Rosenkranz
(1) Background : The double burden of malnutrition has been increasing in countries experiencing the nutrition transition. This study aimed to determine the relationship between household food insecurity and the double burden of malnutrition, defined as within-household stunted child and an overweight/obese mother (SCOWT). (2) Methods : A cross-sectional survey was conducted in the urban city of Surabaya, Indonesia in April and May 2015. (3) Results : The prevalence of child stunting in urban Surabaya was 36...
April 26, 2018: Nutrients
Shannon Doocy, Sarah Cohen, Jillian Emerson, Joseph Menakuntuala, Jozimo Santos Rocha
BACKGROUND: Food and nutrition security in eastern Democratic Republic of the Congo are threatened by political instability and chronic poverty. The Jenga Jamaa II project, implemented between 2011 and 2016 in South Kivu Province, aimed to improve household food security and child nutritional status using various intervention strategies, including farmer field school (FFS) programs. OBJECTIVE: To characterize the changes in agricultural production techniques, household food security, and child nutritional status associated with participation in FFS programs...
December 28, 2017: Global Health, Science and Practice
Salome Nduku Kasimba, Boitumelo Stokie Motswagole, Namukolo Margaret Covic, Nicole Claasen
OBJECTIVE: To determine access to traditional and indigenous foods (TIF) and the association with household food security, dietary diversity and women's BMI in low socio-economic households. DESIGN: Sequential explanatory mixed-methods design, including a random household cross-sectional survey on household food insecurity access (HFIA), household dietary diversity (HDD) and women's BMI, followed by focus group discussions. SETTING: Two rural and two urban areas of Botswana...
April 2018: Public Health Nutrition
Milad Daneshi-Maskooni, Sakineh Shab-Bidar, Mahtab Badri-Fariman, Erfan Aubi, Younes Mohammadi, Sadegh Jafarnejad, Kurosh Djafarian
Background: Data on the questionnaire-based prevalence of food insecurity are needed to develop food and nutrition security studies and policies. The present study aimed to assess the questionnaire-based prevalence of food insecurity in Iran. Methods: A systematic search of cross-sectional studies were conducted on databases including PubMed, Google Scholar, Scopus, Magiran, Iranmedex, SID and Medlib up to 29 Oct 2015. Estimation of food insecurity prevalence was according to the instruments including 9-items-HFIAS, 18 and 6-items USDA (US-HFSSM) and Radimer/Cernel food security questionnaires...
November 2017: Iranian Journal of Public Health
Katherine P Adams, Emmanuel Ayifah, Thokozani E Phiri, Malay K Mridha, Seth Adu-Afarwuah, Mary Arimond, Charles D Arnold, Joseph Cummins, Sohrab Hussain, Chiza Kumwenda, Susana L Matias, Ulla Ashorn, Anna Lartey, Kenneth M Maleta, Stephen A Vosti, Kathryn G Dewey
Background: It is unknown whether self-reported measures of household food insecurity change in response to food-based nutrient supplementation. Objective: We assessed the impacts of providing lipid-based nutrient supplements (LNSs) to women during pregnancy and postpartum and/or to their children on self-reported household food insecurity in Malawi [DOSE and DYAD trial in Malawi (DYAD-M)], Ghana [DYAD trial in Ghana (DYAD-G)], and Bangladesh [Rang-Din Nutrition Study (RDNS) trial]. Methods: Longitudinal household food-insecurity data were collected during 3 individually randomized trials and 1 cluster-randomized trial testing the efficacy or effectiveness of LNSs (generally 118 kcal/d)...
December 2017: Journal of Nutrition
Chandrashekhar T Sreeramareddy, N Ramakrishnareddy
BACKGROUND: Food insecurity is a very common problem in developing countries particularly among the poorer households. Very few studies have tested the association between adult smoking and food insecurity. METHODS: We analysed the data from a nationally representative sample of 10,826 households in which women and men (in a sub sample of 4121 households) aged 15-49 years were interviewed in Nepal Demographic and Health Survey 2011. Data from households in which both men and women were interviewed were analysed for association of household food insecurity access score (HFIAS), with tobacco use among men and women, socio-demographic and spatial factors...
July 24, 2017: BMC Public Health
A Vaidya, R Bhosale, P Sambarey, N Suryavanshi, S Young, V Mave, S Kanade, V Kulkarni, P Deshpande, U Balasubramanian, J Elf, N Gupte, A Gupta, J S Mathad
SETTING: Over 20% of tuberculosis (TB) cases during pregnancy occur in India. OBJECTIVE: To determine the association between household food insecurity and interferon-gamma (IFN-γ) levels in pregnancy. DESIGN: Pregnant women in India were administered the Household Food Insecurity Access Scale (HFIAS) questionnaire and underwent an IFN-γ release assay. Logistic regression was used to identify factors associated with food insecurity. RESULTS: Of 538 women, 60 (11%) had household food insecurity, 47 (78%) of which were moderate or severe food insecure...
July 1, 2017: International Journal of Tuberculosis and Lung Disease
Lisa Teh, Catherine Pirkle, Chris Furgal, Myriam Fillion, Michel Lucas
BACKGROUND: Globally, food insecurity is a major public health concern. In North America, it is particularly prevalent in certain sub-groups, including Indigenous communities. Although many Indigenous and remote communities harvest and share food, most food security assessment tools focus on economic access. This study describes the psychometric evaluation of a modified Household Food Insecurity Access Scale (HFIAS), developed for mixed economies, to assess food insecurity among pregnant Inuit women...
2017: PloS One
Lamis Jomaa, Farah Naja, Ruba Cheaib, Nahla Hwalla
BACKGROUND: Mixed evidence exists with respect to the association between household food insecurity (HFIS) and obesity in low-to-middle income countries (LMICs), particularly among women. This study aimed to measure socioeconomic correlates of HFIS and explores its association with dietary intake and odds of obesity among mothers in Lebanon, a middle-income country undergoing nutrition transition. METHODS: A cross-sectional study was conducted among a representative sample of households (n = 378) in Beirut, Lebanon...
June 12, 2017: BMC Public Health
Sathya P Manimunda, Attayuru P Sugunan
BACKGROUND: Childhood undernutrition is a public health concern in India. But on such a serious issue, there are no data available from the Union Territory of Andaman and Nicobar (A and N) Islands. OBJECTIVES: Present study was designed to know the prevalence of food insecurity, to estimate food group and nutrient intake among the community, and undernutrition and clinical signs of micronutrient deficiency among the preschool children of A and N islands. MATERIALS AND METHODS: Multistage random sampling was followed to select the households containing children aged 6-59 months...
April 2017: Indian Journal of Community Medicine
Florence K M'Kaibi, Nelia P Steyn, Sophie A Ochola, Lissane Du Plessis
The study was to determine the role of Dietary diversity (DD), household food security (HFS), and agricultural biodiversity (AB) on stunted growth in children. Two cross-sectional studies were undertaken 6 months apart. Interviews were done with mothers/caregivers and anthropometric measurements of children 24-59 months old. HFS was assessed by household food insecurity access scale (HFIAS). A repeated 24-h recall was used to calculate a dietary diversity score (DDS). Agricultural biodiversity (AB) was calculated by counting the number of edible plants and animals...
March 2017: Food Science & Nutrition
Robert Fungo, John Muyonga, Margaret Kabahenda, Archileo Kaaya, Clement A Okia, Pauline Donn, Tchatat Mathurin, Obadia Tchingsabe, Julius C Tiegehungo, Judy Loo, Laura Snook
OBJECTIVE: To determine the contribution of forest foods to dietary intake and estimate their association with household food insecurity. DESIGN: Cross-sectional survey conducted among 279 households. Using a 7 d recall questionnaire, information on household food consumption was collected from women and used to determine the household dietary diversity score, food variety score and forest food consumption score (FFCS). Household Food Insecurity Access Scale (HFIAS) score was determined and Spearman rank correlation was used to establish the relationship between consumption of forest foods and HFIAS score...
December 2016: Public Health Nutrition
Bishwajit Ghose, Shangfeng Tang, Sanni Yaya, Zhanchun Feng
BACKGROUND: Food insecurity and hidden hunger (micronutrient deficiency) affect about two billion people globally. Household food insecurity (HFI) has been shown to be associated with one or multiple micronutrient (MMN) deficiencies among women and children. Chronic food insecurity leads to various deficiency disorders, among which anemia stands out as the most prevalent one. As a high malnutrition prevalent country, Bangladesh has one of the highest rates of anemia among all Asian countries...
2016: PeerJ
Daniel S Eaton, Sean Crosson, Aretha Fiebig
UNLABELLED: Growth in a surface-attached bacterial community, or biofilm, confers a number of advantages. However, as a biofilm matures, high-density growth imposes stresses on individual cells, and it can become less advantageous for progeny to remain in the community. Thus, bacteria employ a variety of mechanisms to control attachment to and dispersal from surfaces in response to the state of the environment. The freshwater oligotroph Caulobacter crescentus can elaborate a polysaccharide-rich polar organelle, known as the holdfast, which enables permanent surface attachment...
October 1, 2016: Journal of Bacteriology
Mohammad Rocky Khan Chowdhury, M M H Khan, Md Rafiqul Islam, Nirmala K P Perera, Matthew K Shumack, Manzur Kader
AIM: Household food insecurity (HFI) is insufficient access to nutritionally safe and adequate foods to meet the dietary needs for an active and healthy life. We examined the prevalence and determinants of HFI in Bangladeshi children under five with diarrhoea. METHODS: This study included 365 children (55% boys) who had diarrhoea in the two weeks before the 2011 Bangladesh Demographic Health Survey (BDHS-2011). The Household Food Insecurity Access Scale (HFIAS) was used to assess HFI and Pearson's chi-square test and binary logistic regression analysis were used to investigate the association between HFI and multilevel factors...
May 2016: Acta Paediatrica
Christine M McDonald, Judy McLean, Hou Kroeun, Aminuzzaman Talukder, Larry D Lynd, Timothy J Green
The objective of this study was to identify correlates of household food insecurity and poor dietary diversity in rural Cambodia. Trained interviewers administered a survey to 900 households in four rural districts of Prey Veng Province, Cambodia. The Household Food Insecurity Access Scale (HFIAS) and Household Dietary Diversity Score (HDDS) were used to assess household food insecurity and dietary diversity. Multivariate logistic regression models were constructed to identify independent correlates of household food insecurity and poor dietary diversity (HDDS<or=3)...
2015: Asia Pacific Journal of Clinical Nutrition
Sam Desiere, Marijke D'Haese, Sanctus Niragira
OBJECTIVE: To examine the cross-sectional and inter-temporal validity of the Household Food Insecurity Access Scale (HFIAS) for rural households in Burundi. DESIGN: Longitudinal survey about food security and agricultural production, individually administered by trained interviewers in June 2007 and 2012. SETTING: Ngozi, north of Burundi. SUBJECTS: Three hundred and fourteen household heads were interviewed. RESULTS: Tobit models showed that the HFIAS was significantly correlated with objective measures of food security, in this case total annual food production (P<0·01), livestock keeping (P<0·01) and coffee production (P<0·01) in both 2007 and 2012...
October 2015: Public Health Nutrition
Vincent Nsabuwera, Bethany Hedt-Gauthier, Mohammed Khogali, Mary Edginton, Sven G Hinderaker, Marie Paul Nisingizwe, Jean de Dieu Tihabyona, Benoit Sikubwabo, Samuel Sembagare, Antoinette Habinshuti, Peter Drobac
OBJECTIVE: Determining interventions to address food insecurity and poverty, as well as setting targets to be achieved in a specific time period have been a persistent challenge for development practitioners and decision makers. The present study aimed to assess the changes in food access and consumption at the household level after one-year implementation of an integrated food security intervention in three rural districts of Rwanda. DESIGN: A before-and-after intervention study comparing Household Food Insecurity Access Scale (HFIAS) scores and household Food Consumption Scores (FCS) at baseline and after one year of programme implementation...
May 2016: Public Health Nutrition
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