Results 41 to 50 of about 4,630,594 (315)

Changes in ultrastructure, photosynthetic abilities, and secondary metabolite due to individual and interactive effects of chromium and ultraviolet-B radiation in Adhatoda vasica

open access: yesPhotosynthetica, 2023
The study was executed to assess individual and interactive effects of elevated ultraviolet-B (eUV-B) radiation and chromium (Cr) on a medicinal plant Adhatoda vasica Nees. The experiment was conducted under field conditions involving control, Cr, eUV-B,
A. PANDEY   +3 more
doaj   +1 more source

Diphtheria Toxin and Cytosolic Translocation Factors [PDF]

open access: yes, 2012
Diphtheria Toxin (DT) was the first investigated bacterial protein toxin. As one of the most extensively studied bacterial protein toxins, it has served as a model system for the analysis of other protein toxins (Pappenheimer, 1977). As reviewed by Pappenheimer, Loeffler identified Corynebacterium diphtheriae as the causative agent of diphtheria in ...
Ryan C., John R.
openaire   +1 more source

International study of factors affecting human chromosome translocations [PDF]

open access: yesMutation Research/Genetic Toxicology and Environmental Mutagenesis, 2008
Chromosome translocations in peripheral blood lymphocytes of normal, healthy humans increase with age, but the effects of gender, race, and cigarette smoking on background translocation yields have not been examined systematically. Further, the shape of the relationship between age and translocation frequency (TF) has not been definitively determined ...
Alice J, Sigurdson   +32 more
openaire   +2 more sources

Long-term starvation and ageing induce AGE-1/PI 3-kinase-dependent translocation of DAF-16/FOXO to the cytoplasm [PDF]

open access: yes, 2006
Background The provision of stress resistance diverts resources from development and reproduction and must therefore be tightly regulated. In Caenorhabditis elegans, the switch to increased stress resistance to promote survival through periods of ...
Halstead, JR   +12 more
core   +1 more source

Leaves and roots of Typha latifolia L. and Iris pseudacorus L. as bioindicators of contamination of bottom sediments by heavy metals

open access: yesLimnological Review, 2016
The paper concerns the bioaccumulation of zinc, nickel, iron and manganese in leaves and roots of selected macrophytes from the Krzynia Reservoir (northern Poland).
Parzych Agnieszka   +2 more
doaj   +1 more source

Tolerance of Populus euramericana 561/41 to different concentrations of lead [PDF]

open access: yesتحقیقات جنگل و صنوبر ایران, 2016
In this study, phytoremediation potential of Populus euramericana clone 561/41 to Pb-contaminated soils (0, 500, 1000, 1500, 2000 mg Pbkg-1 soil) was investigated in greenhouse condition in a completely randomized design.
'Atefeh Emami   +3 more
doaj   +1 more source

Wheat straw- and maize straw-derived biochar effects on the soil cadmium fractions and bioaccumulation in the wheat–maize rotation system

open access: yesFrontiers in Environmental Science, 2022
Wheat–maize rotation is one of the most popular systems and successful intensification cropping systems in Northern China, while soils in some of this area are contaminated by cadmium (Cd). However, few studies have performed experiments on the reduction
Yu Dun   +8 more
doaj   +1 more source

Organoids in pediatric cancer research

open access: yesFEBS Letters, EarlyView.
Organoid technology has revolutionized cancer research, yet its application in pediatric oncology remains limited. Recent advances have enabled the development of pediatric tumor organoids, offering new insights into disease biology, treatment response, and interactions with the tumor microenvironment.
Carla Ríos Arceo, Jarno Drost
wiley   +1 more source

Accumulation and Translocation of Heavy Metals by Acalypha wilkesiana Parts in the Phytoextraction of Contaminated Soil

open access: yesIndonesian Journal of Chemistry, 2018
This study was to investigate survival, growth and accumulation potential of Acalypha wilkesiana in phytoextraction of heavy metals contaminated soil.
Naseer Inuwa Durumin Iya   +5 more
doaj   +1 more source

Gut microbiome and aging—A dynamic interplay of microbes, metabolites, and the immune system

open access: yesFEBS Letters, EarlyView.
Age‐dependent shifts in microbial communities engender shifts in microbial metabolite profiles. These in turn drive shifts in barrier surface permeability of the gut and brain and induce immune activation. When paired with preexisting age‐related chronic inflammation this increases the risk of neuroinflammation and neurodegenerative diseases.
Aaron Mehl, Eran Blacher
wiley   +1 more source

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