Results 31 to 40 of about 1,019,169 (348)

RAD50 missense variants differentially affect the DNA damage response and mitotic progression

open access: yesFEBS Letters, EarlyView.
RAD50 incorporates into the MRN complex and initiates the DNA damage response. Furthermore, RAD50 promotes mitotic progression. RAD50 missense variants capable of forming an MRN complex supported the DNA damage response and mitotic features to different extents in complementation experiments, indicating these functions are separable and might impact ...
Hanna Redeker   +9 more
wiley   +1 more source

Evaluation of phytotoxic potential and identification of phytotoxic substances in Cassia alata Linn. leaves

open access: yesActa Agriculturae Scandinavica. Section B, Soil and Plant Science, 2019
Cassia alata (Caesalpiniaceae) is a large perennial shrub native to tropical America. It is an important medicinal and ornamental plant and has been reported to possess several pharmacological properties. However, phytotoxic substances from C. alata have
Krishna Rany Das   +3 more
doaj   +1 more source

Phytochrome-controlled level of growth substances in etiolated oat seedlings

open access: yesActa Societatis Botanicorum Poloniae, 2014
Irradiation with red light of coleoptiles and leaves of etiolated oat seedlings, causing photoconversion of phytochrome mainly into Pfr, leads to the release of free auxins and free gibberellins from conjugated forms.
Jan Kopcewicz, Kazimierz Madela
doaj   +1 more source

Mapping the evolution of mitochondrial complex I through structural variation

open access: yesFEBS Letters, EarlyView.
Respiratory complex I (CI) is crucial for bioenergetic metabolism in many prokaryotes and eukaryotes. It is composed of a conserved set of core subunits and additional accessory subunits that vary depending on the organism. Here, we categorize CI subunits from available structures to map the evolution of CI across eukaryotes. Respiratory complex I (CI)
Dong‐Woo Shin   +2 more
wiley   +1 more source

Improving Lowland Rice (O. sativa L. cv. MR219) Plant Growth Variables, Nutrients Uptake, and Nutrients Recovery Using Crude Humic Substances

open access: yesThe Scientific World Journal, 2015
High cation exchange capacity and organic matter content of crude humic substances from compost could be exploited to reduce ammonia loss from urea and to as well improve rice growth and soil chemical properties for efficient nutrients utilization in ...
Perumal Palanivell   +4 more
doaj   +1 more source

Volatile emissions from Mycobacterium avium subsp. paratuberculosis mirror bacterial growth and enable distinction of different strains. [PDF]

open access: yesPLoS ONE, 2013
Control of paratuberculosis in livestock is hampered by the low sensitivity of established direct and indirect diagnostic methods. Like other bacteria, Mycobacterium avium subsp. paratuberculosis (MAP) emits volatile organic compounds (VOCs). Differences
Phillip Trefz   +6 more
doaj   +1 more source

Plant gene bank collections - sources of variation in health substances [PDF]

open access: yes, 2007
Gene banks and national plant genetic resources programmes have been established to conserve genetic resources of domesticated plants. Variation of the beneficial health substances found in plants is the result of growing conditions (environment) and ...
Antonius, Kristiina
core  

Studies of the physiology, pharmacology, and biochemistry of the auxins [PDF]

open access: yes, 1952
Several excellent reviews of auxin matters have appeared during the past few years dealing broadly with the subject as a whole, such as the Wisconsin Symposium on Plant Growth Substances whleh is referred to repeatedly below, as well as reviews of more ...
Bandurski­, Robert S., Bonner, James
core   +1 more source

Plasmodium falciparum gametogenesis essential protein 1 (GEP1) is a transmission‐blocking target

open access: yesFEBS Letters, EarlyView.
This study shows Plasmodium falciparum GEP1 is vital for activating sexual stages of malarial parasites even independently of a mosquito factor. Knockout parasites completely fail gamete formation even when a phosphodiesterase inhibitor is added. Two single‐nucleotide polymorphisms (V241L and S263P) are found in 12%–20% of field samples.
Frederik Huppertz   +5 more
wiley   +1 more source

Purine and pyrimidine bases as growth substances for lactic acid bacteria [PDF]

open access: yes, 1941
In 1936 Richardson (1) showed that uracil was essential for the anaerobic growth of Staphylococcus aureus, but not for aerobic growth of the same organism.
Mitchell, Herschel K., Snell, Esmond E.
core  

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