Results 11 to 20 of about 1,261,328 (293)

Effects of cadmium stress on seed germination and physiological-biochemical characteristics in okra: a comparative study of red and green varieties [PDF]

open access: yesPeerJ
Previous study has demonstrated that okra (Abelmoschus esculentus (L.) Moench) is capable of accumulating cadmium (Cd) in both plants and fruits. However, there is still little known about the physiological responses of different okra cultivars to Cd ...
Wanwan Wang   +6 more
doaj   +2 more sources

Biosynthesis of α-Tocopherol and Plastoquinone-9 in spinach chloroplasts [PDF]

open access: yes, 1980
Prenylation and methylation reaction in al biosynthesis is localized in the envelope membranes of the chloroplasts, while PQ-9 biosynthesis takes place in the envelope membranes and also in the thylakoid membranes.
Mazliak, P.   +2 more
core   +1 more source

Uncovering the cytochrome P450-catalyzed methylenedioxy bridge formation in streptovaricins biosynthesis

open access: yesNature Communications, 2020
Streptovaricin C is an antibiotic containing a methylenedioxy bridge (MDB) moiety essential for its activity. Here, the authors show that a P450 monooxygenase StvP2 catalyses MDB formation, report its crystal structure in complex with the substrate, and ...
Guo Sun   +9 more
doaj   +1 more source

Aspergillus westerdijkiae polyketide synthase gene “aoks1” is involved in the biosynthesis of ochratoxin A [PDF]

open access: yes, 2009
OchratoxinA (OTA) is a potential nephrotoxic, teratogenic, immunogenic, hepatotoxic and carcinogenic mycotoxin, produced by Aspergillus westerdijkiae NRRL 3174.
Atoui, Ali   +4 more
core   +1 more source

Revolution of vitamin E production by starting from microbial fermented farnesene to isophytol

open access: yesThe Innovation, 2022
Vitamin E is one of the most widely used vitamins. In the classical commercial synthesis of vitamin E (α-tocopherol), the chemical synthesis of isophytol is the key technical barrier.
Ziling Ye   +12 more
doaj   +1 more source

The ubiK protein is an accessory factor necessary for bacterial Ubiquinone (UQ) biosynthesis and forms a complex with the UQ biogenesis factor UbiJ [PDF]

open access: yes, 2017
Ubiquinone (UQ), also referred to as coenzyme Q, is a widespread lipophilic molecule in both prokaryotes and eukaryotes in which it primarily acts as an electron carrier.
Aussel, Laurent   +7 more
core   +1 more source

Expression and gene regulatory network of SNHG1 in hepatocellular carcinoma

open access: yesBMC Medical Genomics, 2021
Background Small nucleolar RNA host gene 1 (SNHG1), a long noncoding RNA (lncRNA), is a transcript that negatively regulates tumour suppressor genes, such as p53. Abnormal SNHG1 expression is associated with cell proliferation and cancer.
Chaoran Zheng, Shicheng Yu
doaj   +1 more source

The effects of estrogen on targeted cancer therapy drugs

open access: yesPharmacological Research, 2022
Improving the efficacy of anticancer drugs is especially challenging. Estrogen is a sex hormone that not only promotes the development of female secondary sexual characteristics, but also supports many important physiological functions.
Ying Zhao   +4 more
doaj   +1 more source

Finding New Cell Wall Regulatory Genes in Populus trichocarpa Using Multiple Lines of Evidence. [PDF]

open access: yes, 2019
Understanding the regulatory network controlling cell wall biosynthesis is of great interest in Populus trichocarpa, both because of its status as a model woody perennial and its importance for lignocellulosic products.
Chen, Jin-Gui   +23 more
core   +3 more sources

A Cysteine-Reloading Process Initiating the Biosynthesis of the Bicyclic Scaffold of Dithiolopyrrolones

open access: yesAntibiotics, 2023
Dithiolopyrrolone antibiotics are well known for their outstanding biological activities, and their biosynthesis has been studied vigorously. However, the biosynthesis mechanism of the characteristic bicyclic scaffold is still unknown after years of ...
Yan Chen   +4 more
doaj   +1 more source

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