We examined differences in family structure change in an urban sample of mothers (N= 1,314) from their child's birth to age 5 and whether ecological risk moderated this association. We found that compared to U.S.-born Latino mothers, foreign-born Latino mothers were 62% less likely to break up and 75% less likely to repartner than remain stably resident. Across nativity status, Latina mothers with fewer children, more economic stress, less income, and less frequently reported father involvement were more likely to break up and repartner than remain stably resident. We found no moderation effects of ecological risk.
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http://dx.doi.org/10.1177/0192513x19849636 | DOI Listing |
Chembiochem
January 2025
University of Freiburg: Albert-Ludwigs-Universitat Freiburg, Institute of Pharmaceutical Sciences, Albertstr. 25, 79104, Freiburg, GERMANY.
Polyphosphate kinases (PPK) play crucial roles in various biological processes, including energy storage and stress responses, through their interaction with inorganic polyphosphate (polyP) and the intracellular nucleotide pool. Members of the PPK family 2 (PPK2s) catalyse polyP‑consuming phosphorylation of nucleotides. In this study, we characterised two PPK2 enzymes from Bacillus cereus (BcPPK2) and Lysinibacillus fusiformis (LfPPK2) to investigate their substrate specificity and potential for selective nucleotide synthesis.
View Article and Find Full Text PDFMath Ann
August 2024
Mathematicians Institut der Universität Bonn, Endenicher Allee 60, 53115 Bonn, Germany.
We investigate the relative assembly map from the family of finite subgroups to the family of virtually cyclic subgroups for the algebraic -theory of twisted group rings of a group with coefficients in a regular ring or, more generally, with coefficients in a regular additive category. They are known to be isomorphisms rationally. We show that it suffices to invert only those primes for which contains a non-trivial finite -group and is not invertible in .
View Article and Find Full Text PDFFront Plant Sci
January 2025
Key Laboratory of Bio-Resources and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, China.
Background: The genus is endemic to China and belongs to the Apiaceae family, which is widely distributed in the Himalaya-Hengduan Mountains (HHM) region. However, its morphology, phylogeny, phylogeography, taxonomy, and evolutionary history were not investigated due to insufficient sampling and lack of population sampling and plastome data. Additionally, we found that was not similar to members but resembled species in morphology, indicating that the taxonomic position of needs to be re-evaluated.
View Article and Find Full Text PDFFront Plant Sci
January 2025
Institute of Biodiversity, Hunan Academy of Forestry, Changsha, China.
(L.) Sw. is a valuable ornamental plant in the genus , family Orchidaceae, with high economic and ecological significance.
View Article and Find Full Text PDFRSC Adv
January 2025
Department of Pharmacognosy and Medicinal Plants, Faculty of Pharmacy (Boys), Al-Azhar University Cairo 11884 Egypt.
Sesquiterpene lactones (SLs) are a structurally diverse group of secondary metabolites primarily produced by plants, particularly within the Asteraceae family. These compounds play significant roles in plant defense and have been extensively studied for their wide range of biological activities, including antiviral, antimicrobial, anti-inflammatory, and anticancer properties. This review focuses on the biosynthesis, structure-activity relationships, and biological activities of sesquiterpene lactones, with an emphasis on their antiviral potential.
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