Article
Plant Sciences
Yoshito Ikeda, Masayuki Munekane, Yasuyuki Yamada, Mizuki Kawakami, Ikuko Amano, Kohei Sano, Takahiro Mukai, Taiho Kambe, Nobukazu Shitan
Summary: In this study, it was found that Panax ginseng extract significantly increased luciferase activity in Hepa cells and promoted zinc uptake. The extract induced Zip4 gene expression, resulting in higher intracellular zinc levels.
JOURNAL OF GINSENG RESEARCH
(2022)
Article
Multidisciplinary Sciences
Yuting Liu, Elizabeth M. Bafaro, Ann E. Cowan, Robert E. Dempski
Summary: The ECD of human ZIP4 is essential for dimerization of the holo-transporter, and even in the absence of the ECD domain, hZIP4 can still form dimers with similar functional characteristics. These findings provide insights into the mechanisms of diseases related to the hZIP4 protein.
SCIENTIFIC REPORTS
(2022)
Article
Biochemistry & Molecular Biology
Stephen R. Hennigar, Cassandra Olson, Alyssa M. Kelley, James P. McClung
Summary: This study investigated the expression of zinc transporters in the small intestine of mice and found that Slc39a4 is positively associated with the appearance of Zn-67 in the liver and plasma. Most zinc transporters are expressed in the small intestine, but Slc39a4 predicts fractional zinc absorption and utilization in young mice.
JOURNAL OF NUTRITIONAL BIOCHEMISTRY
(2022)
Article
Agronomy
Mirjam S. Breure, Samuel Njoroge, Heather R. Pasley, Ellis Hoffland
Summary: This study conducted field trials in Kenya, Zambia, and Zimbabwe to investigate the trade-off between maize yields and grain zinc (Zn) concentrations. The results showed a negative relationship between maize yields and grain Zn concentrations. Currently available maize varieties cannot increase both yields and grain Zn concentrations simultaneously. Nitrogen application had contrasting effects on grain Zn concentrations depending on variety and site. Increasing soil organic matter content and balanced application of nitrogen, phosphorus, and potassium fertilizers could increase grain Zn concentrations and yields, providing a potential solution to bypass the trade-off.
Article
Biochemistry & Molecular Biology
Yuting Liu, Elizabeth M. Bafaro, Robert E. Dempski
Summary: This study reports the heterologous expression of hZIP4 in Saccharomyces cerevisiae. By observing the presence of hZIP4-GFP and mhZIP4-GFP fusion proteins on the plasma membrane of yeast cells, the expression and localization characteristics of hZIP4 in yeast have been revealed.
Article
Biochemistry & Molecular Biology
Benjamin L. Rice, Akshaya Annapragada, Rachel E. Baker, Marjolein Bruijning, Winfred Dotse-Gborgbortsi, Keitly Mensah, Ian F. Miller, Nkengafac Villyen Motaze, Antso Raherinandrasana, Malavika Rajeev, Julio Rakotonirina, Tanjona Ramiadantsoa, Fidisoa Rasambainarivo, Weiyu Yu, Bryan T. Grenfell, Andrew J. Tatem, C. Jessica E. Metcalf
Summary: The SARS-CoV-2 pandemic has shown low burdens in sub-Saharan Africa compared to other regions, potentially influenced by factors such as climate and population demographics. Caution is needed when interpreting analyses that aggregate data from low- and middle-income settings. Heterogeneity in connectivity across sub-Saharan Africa may contribute to variance in the pace of viral spread.
Article
Multidisciplinary Sciences
Duncan McCloskey, Aggrey Semeere, Racheal Ayanga, Miriam Laker-Oketta, Robert Lukande, Matthew Semakadde, Micheal Kanyesigye, Megan Wenger, Philip LeBoit, Timothy McCalmont, Toby Maurer, Andrea Gardner, Juan Boza, Ethel Cesarman, Jeffrey Martin, David Erickson
Summary: This study demonstrates the use of a point-of-care device for molecular diagnosis of Kaposi's sarcoma (KS), achieving high sensitivity, specificity, and accuracy compared to traditional pathology. The results highlight the potential for the use of this diagnostic method to overcome barriers in limited-resource settings.
Editorial Material
Food Science & Technology
David Laborde, Valeria Pineiro
Summary: The Russia-Ukraine conflict had an impact on staple crop prices and stimulated interest in tropical wheat production. Regional consumption patterns and trade have a better potential to guide effective and sustainable food security policy strategies.
Review
Urology & Nephrology
Danielle Whiting, Asiimwe Ian Shane, Rachel Pope, Stephen Payne, Suzie Venn
Summary: Urinary incontinence is highly prevalent among women in sub-Saharan Africa, with non-fistulous stress, urgency, and mixed urinary incontinence being the most common types. Both obstetric and non-obstetric factors contribute to the development of urinary incontinence. The condition has significant social and emotional consequences, and there is a lack of understanding and awareness surrounding its etiology in sub-Saharan Africa. More resources and trained specialists are needed to address the needs of women with non-fistulous leakage in the region.
Article
Green & Sustainable Science & Technology
Richmond Silvanus Baye, Albert Ahenkan, Samuel Darkwah
Summary: This paper examines the underlying factors driving renewable energy output in Sub-Saharan African countries, finding that factors such as CO2 emissions, income levels, oil prices, trade openness, and natural resource rents play a significant role. The study proposes several policy recommendations, including incorporating environmental awareness into national development plans, encouraging middle-class consumption of renewable energy, and implementing and expanding feed-in-tariff systems.
Article
Green & Sustainable Science & Technology
Thomas P. Higginbottom, Roshan Adhikari, Ralitza Dimova, Sarah Redicker, Timothy Foster
Summary: The study reveals that only 16% of the proposed irrigated area is being delivered in 79 irrigation schemes across sub-Saharan Africa, with 25% delivering over 80% and 20% completely inactive. The findings are attributed to low economic viability, excessive optimism, and inadequate central bureaucratic systems in irrigation development.
NATURE SUSTAINABILITY
(2021)
Article
Agronomy
Vijesh V. Krishna, Maximina A. Lantican, B. M. Prasanna, Kevin Pixley, Tahirou Abdoulaye, Abebe Menkir, Marianne Banziger, Olaf Erenstein
Summary: This study examines the adoption and impacts of CGIAR-related maize varieties in sub-Saharan Africa from 1995 to 2015. It finds that a significant proportion of maize varieties released during this period had CGIAR parentage, and that the cultivation of these varieties contributed to substantial economic benefits. The study also highlights the methodological challenges involved in large-scale impact assessments.
FIELD CROPS RESEARCH
(2023)
Article
Nutrition & Dietetics
Zixuan Cai, Xin Meng, Dennis Nyirenda, Wilson Mandala, Xiaoyun Li, Dong Yang
Summary: The study found that in sub-Saharan Africa, Ugali fortified with Chinese onion stalk is more preferred than plain Ugali, possibly due to umami components in Chinese onion stalk serving as taste enhancer.
Article
Energy & Fuels
Katherine A. Collett, Stephanie A. Hirmer, Holger Dalkmann, Constance Crozier, Yacob Mulugetta, Malcolm D. McCulloch
Summary: Transport demand in Sub-Saharan Africa is increasing due to population growth and economic development, leading to a rise in emissions. Despite the limited presence of electric vehicles in the region, they have the potential to offer benefits to governments, power systems, and vehicle owner-operators.
ENERGY STRATEGY REVIEWS
(2021)
Article
Environmental Sciences
C. Wade Ross, Niall P. Hanan, Lara Prihodko, Julius Anchang, Wenjie Ji, Qiuyan Yu
Summary: This study explores the socioenvironmental conditions shaping the distribution of woody vegetation in sub-Saharan Africa and evaluates ecosystem responses to various scenarios. Climate change is projected to have a negative impact on above-ground woody biomass, exacerbated by population growth, human pressures, and changes in fire behavior. Regional perturbations show increased carbon storage potential in East Africa, while deficits are seen in West, Central, and Southern Africa.
NATURE CLIMATE CHANGE
(2021)
Article
Anthropology
Juan Morales, Artur Cebria, Josep M. Verges, Sandra Banuls-Cardona, Josep M. Cervello, Raquel Hernando, Diego Lombao, Juan Marin, Roser Marsal, F. Xavier Oms, Jose Rabunal, Antonio Rodriguez-Hidalgo, Maria Soto, Antonio Rosas, Josep M. Fullola
Summary: This project is the first systematic study of the use of large, conglomerate caves in north-eastern Iberia among Pleistocene hunter-gatherers.
Article
Multidisciplinary Sciences
Guillermo Barturen, Elena Carnero-Montoro, Manuel Martinez-Bueno, Silvia Rojo-Rello, Beatriz Sobrino, Oscar Porras-Perales, Clara Alcantara-Dominguez, David Bernardo, Marta E. Alarcon-Riquelme
Summary: This study investigates the role of DNA methylation in COVID-19 progression using genome-wide DNA methylation analysis and DNA genotyping. The results reveal the epigenomic regulation of functional pathways associated with COVID-19 progression mediated by genetic loci. The study also identifies an environmental trait-related signature that discriminates between mild and severe cases and regulates the expression of cytokines, including IL-6.
NATURE COMMUNICATIONS
(2022)
Editorial Material
Biochemistry & Molecular Biology
Carles Lalueza-Fox
Summary: The first studies to retrieve genome-wide data from two Medieval European Jewish communities from England and Germany illustrate the complex interplay of ancestry, disease, religion, culture, and ethics.
Article
Evolutionary Biology
Laura Vila-Valls, Julen Aizpurua-Iraola, Sebastian Casinge, Karin Bojs, Andre Flores-Bello, Neus Font-Porterias, David Comas
Summary: The Resande are a minority ethnic group in Sweden, believed to be a mixture of Swedish and Romani populations. Through analyzing genome-wide data, researchers have confirmed the Romani-related ancestry of the Resande and identified an admixture event between Romani-like and Swedish-like populations occurring between the mid-18th and mid-19th centuries. This study sheds light on the origins and demographic history of the Resande from a genetic perspective.
GENOME BIOLOGY AND EVOLUTION
(2023)
Article
Genetics & Heredity
Marcel Lucas-Sanchez, Karima Fadhlaoui-Zid, David Comas
Summary: This study confirms the genetic influence of trans-Saharan migrations in present-day North Africa and provides new evidence about its quantity, geographical origin, and dates. The findings highlight the significance of trans-Saharan human genetic contacts and contribute to understanding the genomic composition of North Africa.
Article
Biochemistry & Molecular Biology
Pol Picon-Pages, Monica Bosch-Morato, Laia Subirana, Francisca Rubio-Moscardo, Biuse Guivernau, Hugo Fanlo-Ucar, Melisa Ece Zeylan, Simge Senyuz, Victor Herrera-Fernandez, Ruben Vicente, Jose M. Fernandez-Fernandez, Jordi Garcia-Ojalvo, Attila Gursoy, Ozlem Keskin, Baldomero Oliva, Francesc Posas, Eulalia de Nadal, Francisco J. Munoz
Summary: Alzheimer's disease is caused by misfolded amyloid beta-peptide (Aβ) forming beta-sheets, but there are currently no treatments available to prevent it. Through a genome-wide screen in Saccharomyces cerevisiae, we identified 81 mammalian orthologue genes that enhance Aβ(1-42) toxicity and 157 that provide protection. Further studies revealed that calcium regulation, protein translation, and mitochondrial activity were the main cellular functions affected by Aβ oligomers (oAβ). We focused on SURF4, a protein that regulates the store-operated calcium channel (SOCE), and found that it contributes to oAβ(1-42) neurotoxicity by decreasing SOCE activity.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2023)
Article
Geology
Antonio Rosas, Emilia Galli, Dario Fidalgo, Antonio Garcia-tabernero, Rosa Huguet, Daniel Garcia-martinez, Pedro Pinero, Jordi Agusti, Alba Rico-barrio, Josep Vallverdu
Summary: This article describes the discovery of the Quibas Early Pleistocene site in Spain and the study of the large herbivorous mammals found there. The site belongs to the Early-Middle Pleistocene transition and is characterized by a change in orbital cyclicity, resulting in intensified climate and significant faunal turnover.
RIVISTA ITALIANA DI PALEONTOLOGIA E STRATIGRAFIA
(2022)
Article
Genetics & Heredity
Marco Antinucci, David Comas, Francesc Calafell
Summary: In this study, we conducted the first whole genome Copy Number Variant (CNV) study of the Roma population and compared them with reference populations from South Asia, the Middle East, and Europe. Using CNV calling software, we identified a total of 3171 deletions and 489 duplications. The analysis revealed that the patterns of deletion variation in the Roma population were consistent with those observed in single nucleotide polymorphisms (SNPs), indicating the influence of population history on CNV variation. Additionally, we found an increase in intronic deletions within Loss of Function (LoF)-intolerant genes, which may be attributed to reduced effective population size and slightly relaxed natural selection.
Article
Immunology
Julius Lindblom, Daniel Toro-Dominguez, Elena Carnero-Montoro, Lorenzo Beretta, Maria Orietta Borghi, Jessica Castillo, Yvonne Enman, Chandra Mohan, Marta E. Alarcon-Riquelme, Guillermo Barturen, Ioannis Parodis
Summary: This study aimed to investigate the transcriptome, eQTLs, and serological markers in SLE patients compared to healthy controls. The analysis revealed the significance of interferon signaling pathways and downregulation of lymphocyte signaling cluster in renal activity. Upregulation of interferon-related genes indicated hematological activity and vasculitis. Modulation of interferon, STAT1, PLK1, B and plasma cell signatures showed promise as viable approaches to treat SLE.
JOURNAL OF AUTOIMMUNITY
(2023)
Editorial Material
Genetics & Heredity
Carles Lalueza-Fox
Summary: The increasing number of ancient genomes from the Viking period recovered in the North Sea regions have uncovered a complex genetic ancestry and a previous cosmopolitanism resulting from diverse mobility patterns.
TRENDS IN GENETICS
(2023)
Article
Multidisciplinary Sciences
Caina M. Couto-Silva, Kelly Nunes, Gabriela Venturini, Marcos Araujo Castro e Silva, Lygia Pereira, David Comas, Alexandre Pereira, Tabita Hunemeier
Summary: Ecological conditions in the Amazon rainforests favor the transmission of tropical diseases, and the genetic adaptation of humans in this complex ecosystem is still unclear. This study analyzed the genomic data of 19 native populations to investigate the possible genetic adaptation to the Amazon rainforest. The results showed strong natural selection in genes related to Trypanosoma cruzi infection, the pathogen responsible for Chagas disease, a neglected tropical parasitic disease spreading worldwide.
Article
Ecology
Vanessa Villalba-Mouco, Marieke S. van de Loosdrecht, Adam B. Rohrlach, Helen Fewlass, Sahra Talamo, He Yu, Franziska Aron, Carles Lalueza-Fox, Lidia Cabello, Pedro Cantalejo Duarte, Jose Ramos-Munoz, Cosimo Posth, Johannes Krause, Gerd-Christian Weniger, Wolfgang Haak
Summary: During the Last Glacial Maximum, human populations experienced range contractions that had significant effects on their genetic variation. The genetic ancestry of individuals associated with the post-LGM Magdalenian technocomplex has been linked to pre-LGM Aurignacian groups, but differs from that of the Gravettian in central Europe. Genomic data from southern Spain indicates a direct connection between earlier Aurignacian-associated individuals and post-LGM Magdalenian-associated ancestry, suggesting Iberia as a potential refugium for western European pre-LGM ancestry.
NATURE ECOLOGY & EVOLUTION
(2023)
Article
Biochemistry & Molecular Biology
Laura de Cubas, Jorge Mallor, Victor Herrera-Fernandez, Jose Ayte, Ruben Vicente, Elena Hidalgo
Summary: Research has shown that an excess of hydrogen peroxide in cells can participate in toxic reactions. Fluorescent protein-based probes have been developed to measure hydrogen peroxide levels in cells. A recent study found that the concentration and gradient of hydrogen peroxide, as well as the response to extracellular peroxides, are similar in different model organisms. Therefore, the principles governing hydrogen peroxide fluxes appear to be the same across different organisms.
Article
Geosciences, Multidisciplinary
Juan I. Morales, Artur Cebria, Maria Soto, Antonio Rodriguez-Hidalgo, Raquel Hernando, Elena Moreno-Ribas, Diego Lombao, Jose R. Rabunal, David M. Martin-Perea, Antonio Garcia-Tabernero, Ethel Allue, Andrea Garcia-Basanta, Esther Lizano, Tomas Marques-Bonet, Sahra Talamo, Laura Tassoni, Carles Lalueza-Fox, Josep M. Fullola, Antonio Rosas
Summary: This study presents an exceptional collection of Late Pleistocene human remains from Simanya Gran, offering valuable insights into the morphology and evolutionary trajectory of hominins in the northeastern Iberian Peninsula.
FRONTIERS IN EARTH SCIENCE
(2023)
Article
Psychiatry
Gerard Muntane, Javier Vazquez-Bourgon, Ester Sada, Lourdes Martorell, Sergi Papiol, Elena Bosch, Arcadi Navarro, Benedicto Crespo-Facorro, Elisabet Vilella
Summary: Individuals with a first episode of psychosis experience rapid weight gain in the initial months of treatment, which is influenced by genetics. Genetic factors play a significant role in determining weight gain during the first episode of psychosis, highlighting the importance of genetic pleiotropy in predicting future outcomes.
EUROPEAN PSYCHIATRY
(2023)