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Journal articles on the topic 'Sulfur insertase'

Author: Grafiati

Published: 25 May 2024

Last updated: 31 July 2025

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1

Fellner, Matthias, Benoît Desguin, Robert P. Hausinger, and Jian Hu. "Structural insights into the catalytic mechanism of a sacrificial sulfur insertase of the N-type ATP pyrophosphatase family, LarE." Proceedings of the National Academy of Sciences 114, no. 34 (2017): 9074–79. http://dx.doi.org/10.1073/pnas.1704967114.

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The lar operon in Lactobacillus plantarum encodes five Lar proteins (LarA/B/C/D/E) that collaboratively synthesize and incorporate a niacin-derived Ni-containing cofactor into LarA, an Ni-dependent lactate racemase. Previous studies have established that two molecules of LarE catalyze successive thiolation reactions by donating the sulfur atom of their exclusive cysteine residues to the substrate. However, the catalytic mechanism of this very unusual sulfur-sacrificing reaction remains elusive. In this work, we present the crystal structures of LarE in ligand-free and several ligand-bound form

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2

Fellner, Matthias, Joel A. Rankin, Benoît Desguin, Jian Hu, and Robert P. Hausinger. "Analysis of the Active Site Cysteine Residue of the Sacrificial Sulfur Insertase LarE from Lactobacillus plantarum." Biochemistry 57, no. 38 (2018): 5513–23. http://dx.doi.org/10.1021/acs.biochem.8b00601.

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3

Leimkühler, Silke, and Werner Klipp. "Role of XDHC in Molybdenum Cofactor Insertion into Xanthine Dehydrogenase of Rhodobacter capsulatus." Journal of Bacteriology 181, no. 9 (1999): 2745–51. http://dx.doi.org/10.1128/jb.181.9.2745-2751.1999.

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ABSTRACT Rhodobacter capsulatus xanthine dehydrogenase (XDH) is composed of two subunits, XDHA and XDHB. Immediately downstream ofxdhB, a third gene was identified, designatedxdhC, which is cotranscribed with xdhAB. Interposon mutagenesis revealed that the xdhC gene product is required for XDH activity. However, XDHC is not a subunit of active XDH, which forms an α2β2 heterotetramer inR. capsulatus. It was shown that XDHC neither is a transcriptional regulator for xdh gene expression nor influences XDH stability. To analyze the function of XDHC for XDH inR. capsulatus, inactive XDH was purifie

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Wunsch, Patrick, Margitta Herb, Hagen Wieland, Ulrike M. Schiek, and Walter G. Zumft. "Requirements for CuA and Cu-S Center Assembly of Nitrous Oxide Reductase Deduced from Complete Periplasmic Enzyme Maturation in the Nondenitrifier Pseudomonas putida." Journal of Bacteriology 185, no. 3 (2003): 887–96. http://dx.doi.org/10.1128/jb.185.3.887-896.2003.

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ABSTRACT Bacterial nitrous oxide (N2O) reductase is the terminal oxidoreductase of a respiratory process that generates dinitrogen from N2O. To attain its functional state, the enzyme is subjected to a maturation process which involves the protein-driven synthesis of a unique copper-sulfur cluster and metallation of the binuclear CuA site in the periplasm. There are seven putative maturation factors, encoded by nosA, nosD, nosF, nosY, nosL, nosX, and sco. We wanted to determine the indispensable proteins by expressing nos genes from Pseudomonas stutzeri in the nondenitrifying organism Pseudomo

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5

Rudenko, Tatyana S., Sergey V. Tarlachkov, Nikolay D. Shatskiy, and Margarita Yu Grabovich. "Comparative Genomics of Beggiatoa leptomitoformis Strains D-401 and D-402T with Contrasting Physiology But Extremely High Level of Genomic Identity." Microorganisms 8, no. 6 (2020): 928. http://dx.doi.org/10.3390/microorganisms8060928.

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Representatives of filamentous colorless sulfur-oxidizing bacteria often dominate in sulfide biotopes, preventing the diffusion of toxic sulfide into the water column. One of the most intriguing groups is a recently described Beggiatoa leptomitoformis including strains D-401 and D-402T. Both strains have identical genes encoding enzymes which are involved in the oxidation of hydrogen sulfide and thiosulfate. Surprisingly, the B. leptomitoformis strain D-401 is not capable to grow lithotrophically in the presence of reduced sulfur compounds and to accumulate elemental sulfur inside the cells, i

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6

Ye, Ke-Yin, Markus Bursch, Zheng-Wang Qu, et al. "Reversible formylborane/SO2coupling at a frustrated Lewis pair framework." Chemical Communications 53, no. 3 (2017): 633–35. http://dx.doi.org/10.1039/c6cc07071j.

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7

Paietta, J. V., R. A. Akins, A. M. Lambowitz, and G. A. Marzluf. "Molecular cloning and characterization of the cys-3 regulatory gene of Neurospora crassa." Molecular and Cellular Biology 7, no. 7 (1987): 2506–11. http://dx.doi.org/10.1128/mcb.7.7.2506.

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The regulatory gene cys-3+ controls the synthesis of a number of enzymes involved in sulfur metabolism. cys-3 mutants show a multiple loss of enzymes in different pathways of sulfur metabolism. The cys-3+ gene was isolated by transformation of an aro-9 qa-2 cys-3 inl strain with a clone bank followed by screening with the "sib selection" method. The library used (pRAL1) contained inserts of Sau3a partial digest fragments of about 9 kilobases as well as the Neurospora qa-2+ gene. Double selection for qa-2+ and cys-3+ function was carried out. The transformants obtained with the isolated cys-3+

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8

Timina, Olga, Oleg Timin, and Anna Stepanova. "Some biochemical characteristics of the hairy roots of Pisum sativum L. mutants." Ecological genetics 21, no. 3S (2023): 40. http://dx.doi.org/10.17816/ecogen568310.

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Two high-protein root cultures of vegetable pea mutants were received [1]. In continuation a PCR analysis of the obtained root cultures genes was carried out according [2] and the amino acid composition of the cultures protein was clarified in a dry product on the AAA 339TM device [3]. Obtained results confirmed the absence of rhizobia contamination of the cultures, which grow steadily on a hormone-free media for 5 years. PCR analysis revealed that fourrolgenesA,B,C,Dwere inserted into the genome of the root culture with genotypeafaftltl, and two —rol Candrol D— in the genome of the root cultu

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9

Pinto, Rachel, Joseph S. Harrison, Tsungda Hsu, William R. Jacobs, and Thomas S. Leyh. "Sulfite Reduction in Mycobacteria." Journal of Bacteriology 189, no. 18 (2007): 6714–22. http://dx.doi.org/10.1128/jb.00487-07.

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ABSTRACT Mycobacterium tuberculosis places an enormous burden on the welfare of humanity. Its ability to grow and its pathogenicity are linked to sulfur metabolism, which is considered a fertile area for the development of antibiotics, particularly because many of the sulfur acquisition steps in the bacterium are not found in the host. Sulfite reduction is one such mycobacterium-specific step and is the central focus of this paper. Sulfite reduction in Mycobacterium smegmatis was investigated using a combination of deletion mutagenesis, metabolite screening, complementation, and enzymology. Th

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10

Douglas, Paul, Marco Kriek, Penny Bryant, and Peter L. Roach. "Lipoyl Synthase Inserts Sulfur Atoms into an Octanoyl Substrate in a Stepwise Manner." Angewandte Chemie 118, no. 31 (2006): 5321–23. http://dx.doi.org/10.1002/ange.200601910.

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11

Douglas, Paul, Marco Kriek, Penny Bryant, and Peter L. Roach. "Lipoyl Synthase Inserts Sulfur Atoms into an Octanoyl Substrate in a Stepwise Manner." Angewandte Chemie International Edition 45, no. 31 (2006): 5197–99. http://dx.doi.org/10.1002/anie.200601910.

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12

Martinez Krahmer, D., S. Hameed, A. J. Sánchez Egea, D. Pérez, J. Canales, and L. N. López de Lacalle. "Wear and MnS Layer Adhesion in Uncoated Cutting Tools When Dry and Wet Turning Free-Cutting Steels." Metals 9, no. 5 (2019): 556. http://dx.doi.org/10.3390/met9050556.

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Free-cutting steels are developed to produce large quantities of parts with low mechanical behavior, mainly for automotive sector. These alloys contain phosphorous, lead, sulfur, and manganese that help to improve the machinability and surface roughness. However, due to the toxicity of lead, steel mills in recent years have been focusing on non-toxic steels to produce minimum environmental pollution and better machinability. The present work investigates the tool wear during dry and wet turning of free-cutting steels (SAE 1212, SAE 12L14, and SAE 1215) by using uncoated hard metal inserts at t

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13

Poli, Antoine, Caroline Schmitt, Boualem Moulouel, et al. "Iron, Heme Synthesis and Erythropoietic Porphyrias: A Complex Interplay." Metabolites 11, no. 12 (2021): 798. http://dx.doi.org/10.3390/metabo11120798.

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Erythropoietic porphyrias are caused by enzymatic dysfunctions in the heme biosynthetic pathway, resulting in porphyrins accumulation in red blood cells. The porphyrins deposition in tissues, including the skin, leads to photosensitivity that is present in all erythropoietic porphyrias. In the bone marrow, heme synthesis is mainly controlled by intracellular labile iron by post-transcriptional regulation: translation of ALAS2 mRNA, the first and rate-limiting enzyme of the pathway, is inhibited when iron availability is low. Moreover, it has been shown that the expression of ferrochelatase (FE

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14

Plumb, Jason J., Joanne Bell, and David C. Stuckey. "Microbial Populations Associated with Treatment of an Industrial Dye Effluent in an Anaerobic Baffled Reactor." Applied and Environmental Microbiology 67, no. 7 (2001): 3226–35. http://dx.doi.org/10.1128/aem.67.7.3226-3235.2001.

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ABSTRACT Fluorescent in situ hybridization (FISH) using 16S and 23S rRNA-targeted probes together with construction of an archaeal 16S ribosomal DNA (rDNA) clone library was used to characterize the microbial populations of an anaerobic baffled reactor successfully treating industrial dye waste. Wastewater produced during the manufacture of food dyes containing several different azo and other dye compounds was decolorized and degraded under sulfidogenic and methanogenic conditions. Use of molecular methods to describe microbial populations showed that a diverse group of Bacteria andArchaea was

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15

Sirenko, К. A., V. L. Mazur, and D. О. Derecha. "Dependence of hardness and other properties of gray iron on its carbon equivalent and degree of eutecticity." Metal and Casting of Ukraine 31, no. 2 (2023): 42–50. http://dx.doi.org/10.15407/steelcast2023.02.042.

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The chemical composition, carbon equivalent and properties of castings from unalloyed and low-alloyed gray irons with lamellar graphite of various grades from СЧ100 to СЧА400 were analyzed in accordance with DSTU 8833:2019. There is a reference to such cast iron in the technical conditions for brake pads made of composite materials (rubber mixtures), in particular, for the production of cast iron inserts. Other products for railway transport are also made from cast iron СЧ350, for example, the friction “Khanin wedge”. It is shown that in industrial batches of the “Khanin wedge”, cast from cast

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16

Capaci, Valeria, Luisa Zupin, Martina Magistrati, et al. "Uncovering a Novel Pathogenic Mechanism of BCS1L in Mitochondrial Disorders: Insights from Functional Studies on the c.38A>G Variant." International Journal of Molecular Sciences 26, no. 8 (2025): 3670. https://doi.org/10.3390/ijms26083670.

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The BCS1L gene encodes a mitochondrial chaperone which inserts the Fe2S2 iron–sulfur Rieske protein into the nascent electron transfer complex III. Variants in the BCS1L gene are associated with a spectrum of mitochondrial disorders, ranging from mild to severe phenotypes. Björnstad syndrome, a milder condition, is characterized by sensorineural hearing loss (SNHL) and pili torti. More severe disorders include Complex III Deficiency, which leads to neuromuscular and metabolic dysfunctions with multi-systemic issues and Growth Retardation, Aminoaciduria, Cholestasis, Iron Overload, and Lactic A

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17

Monteiro, Jomar Patrício, Karl V. Clemons, Laurence F. Mirels, et al. "Genomic DNA microarray comparison of gene expression patterns in Paracoccidioides brasiliensis mycelia and yeasts in vitro." Microbiology 155, no. 8 (2009): 2795–808. http://dx.doi.org/10.1099/mic.0.027441-0.

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Paracoccidioides brasiliensis is a thermally dimorphic fungus, and causes the most prevalent systemic mycosis in Latin America. Infection is initiated by inhalation of conidia or mycelial fragments by the host, followed by further differentiation into the yeast form. Information regarding gene expression by either form has rarely been addressed with respect to multiple time points of growth in culture. Here, we report on the construction of a genomic DNA microarray, covering approximately 25 % of the genome of the organism, and its utilization in identifying genes and gene expression patterns

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18

Ma, Zhong-Min, Joseph Dutra, Linda Fritts, and Christopher J. Miller. "Lymphatic Dissemination of Simian Immunodeficiency Virus after Penile Inoculation." Journal of Virology 90, no. 8 (2016): 4093–104. http://dx.doi.org/10.1128/jvi.02947-15.

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ABSTRACTThe human immunodeficiency virus (HIV) is primarily transmitted by heterosexual contact, and approximately equal numbers of men and women worldwide are infected with the virus. Understanding the biology of HIV acquisition and dissemination in men exposed to the virus by insertive penile intercourse is likely to help with the rational design of vaccines that can limit or prevent HIV transmission. To characterize the target cells and dissemination pathways involved in establishing systemic simian immunodeficiency virus (SIV) infection, we necropsied male rhesus macaques at 1, 3, 7, and 1

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19

Rahim, Irwan Ridwan, Evi Aprianti, Faizal Arya Samman, and Sutami Suparmin. "Potential Utilization of PT Vale Indonesia Tbk Slag as An Alternative Energy Source." Jurnal Teknologi Lingkungan 23, no. 2 (2022): 189–97. http://dx.doi.org/10.29122/jtl.v23i2.5095.

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ABSTRAK Potensi pertambangan nikel di Indonesia tersebar dari Pulau Sulawesi, Maluku, dan Papua dengan sumber daya dan cadangan biji nikel laterit sebesar 4,2 milyar ton. Dampak negatifnya adalah dihasilkan limbah dari pengolahan bijih nikel yaitu terak (slag) dalam jumlah besar dan jika tidak dilakukan pengelolaan dengan baik, maka akan mengancam lingkungan sekitar pertambangan. Penelitian ini bertujuan untuk melakukan analisis SWOT kelayakan terak nikel yang dihasilkan oleh PT. Vale Indonesia Tbk menjadi sebuah produk energi alternatif dalam bentuk baterai dengan metode mengambil sampel tera

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20

Zecchin, Paolo, Ludovic Pecqueur, Jonathan Oltmanns, et al. "Structure‐based insights into the mechanism of [4Fe‐4S]‐dependent sulfur insertase LarE." Protein Science, December 15, 2023. http://dx.doi.org/10.1002/pro.4874.

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AbstractSeveral essential cellular metabolites, such as enzyme cofactors, contain sulfur atoms and their biosynthesis requires specific thiolation enzymes. LarE is an ATP‐dependent sulfur insertase, which catalyzes the sequential conversion of the two carboxylate groups of the precursor of the lactate racemase cofactor into thiocarboxylates. Two types of LarE enzymes are known, one that uses a catalytic cysteine as a sacrificial sulfur donor, and the other one that uses a [4Fe‐4S] cluster as a cofactor. Only the crystal structure of LarE from Lactobacillus plantarum (LpLarE) from the first cla

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21

Chatterjee, Shramana, Kristine F. Parson, Brandon T. Ruotolo, John McCracken, Jian Hu, and Robert P. Hausinger. "Characterization of a [4Fe-4S]-dependent LarE sulfur insertase that facilitates nickel-pincer nucleotide cofactor biosynthesis in Thermotoga maritima." Journal of Biological Chemistry, June 2022, 102131. http://dx.doi.org/10.1016/j.jbc.2022.102131.

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22

Chen, Ruoxi, Yucheng Zhou, and Xiaodong Li. "Recycling of End‐of‐Life Lithium–Sulfur Battery Cathodes for CO₂ Capture." Advanced Energy Materials, June 4, 2025. https://doi.org/10.1002/aenm.202501077.

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AbstractLandfilling of end‐of‐life lithium–sulfur (Li–S) batteries results in the loss of valuable materials, soil contamination from hazardous electrolytes, and risks of explosions caused by reactive lithium metals. Recycling Li–S batteries is crucial for battery sustainability and circularity. However, recycling of Li–S battery cathodes imposes a challenge because sulfur removal is cumbersome and costly. This study demonstrates that sulfur‐carbon composites recycled from end‐of‐life Li–S batteries can be reused to capture CO2. Specifically, battery charge/discharge cycling expands the lattic

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23

Yuan, Shuai, Arif Yurdagul, A. Wayne Orr, and Christopher G. Kevil. "Abstract 453: Hydrogen Sulfide Increases Endothelial Permeability through Sulfane Sulfur Modification of Occludin." Arteriosclerosis, Thrombosis, and Vascular Biology 35, suppl_1 (2015). http://dx.doi.org/10.1161/atvb.35.suppl_1.453.

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Objective: Hydrogen sulfide (H2S) is an endogenous signaling molecule which exists in three biological pools, namely free H2S, sulfane sulfur and acid labile sulfur. H2S also regulates protein function by protein sulfuration. Fine tuning endothelial permeability is crucial for vascular functions. Therefore, we sought to determine how sulfane sulfur and sulfuration of cell junction proteins alters endothelial permeability. Methods: Endothelial permeability was evaluated by albumin leakage or transendothelial electrical resistance (TEER) in transwell inserts. Exogenous H2S was studied by treatin

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24

Marquez, Melissa D., Carina Greth, Anastasiya Buzuk, et al. "Cytosolic iron–sulfur protein assembly system identifies clients by a C-terminal tripeptide." Proceedings of the National Academy of Sciences 120, no. 44 (2023). http://dx.doi.org/10.1073/pnas.2311057120.

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The eukaryotic cytosolic Fe–S protein assembly (CIA) machinery inserts iron–sulfur (Fe–S) clusters into cytosolic and nuclear proteins. In the final maturation step, the Fe–S cluster is transferred to the apo-proteins by the CIA-targeting complex (CTC). However, the molecular recognition determinants of client proteins are unknown. We show that a conserved [LIM]-[DES]-[WF]-COO – tripeptide is present at the C-terminus of more than a quarter of clients or their adaptors. When present, this targeting complex recognition (TCR) motif is necessary and sufficient for binding to the CTC in vitro and

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25

Qu, Di, Peng Ge, Laure Botella, et al. "Mycobacterial biotin synthases require an auxiliary protein to convert dethiobiotin into biotin." Nature Communications 15, no. 1 (2024). http://dx.doi.org/10.1038/s41467-024-48448-1.

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AbstractLipid biosynthesis in the pathogen Mycobacterium tuberculosis depends on biotin for posttranslational modification of key enzymes. However, the mycobacterial biotin synthetic pathway is not fully understood. Here, we show that rv1590, a gene of previously unknown function, is required by M. tuberculosis to synthesize biotin. Chemical–generic interaction experiments mapped the function of rv1590 to the conversion of dethiobiotin to biotin, which is catalyzed by biotin synthases (BioB). Biochemical studies confirmed that in contrast to BioB of Escherichia coli, BioB of M. tuberculosis re

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26

Day, Erin, Ronald M. Galiwango, Daniel Park, et al. "Insertive vaginal sex is associated with altered penile immunology and enrichment of Gardnerella vaginalis in uncircumcised Ugandan men." American Journal of Reproductive Immunology 91, no. 1 (2023). http://dx.doi.org/10.1111/aji.13801.

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AbstractProblemHIV susceptibility is linked to the penile immune milieu (particularly IL‐8 levels) and microbiome. The effects of insertive vaginal sex itself on penile immunology and microbiota are not well described.Method of studyWe compared the immune milieu and microbiology of the coronal sulcus (CS) and distal urethra in 47 uncircumcised Ugandan men reporting ever (n = 42) or never (n = 5) having had vaginal intercourse. Soluble immune factors were assayed by multiplex ELISA, and penile bacteria abundance by 16S rRNA qPCR and sequencing. Co‐primary endpoints were penile levels of IL‐8 an

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27

Shen, Steven R., Erin A. Boese, Courtney P. Clark, Xiaofei Man, Melisa Nika, and Sayoko E. Moroi. "Acute Angle-Closure Crisis Secondary to Topiramate-Induced Ciliochoroidal Effusion With Underlying Plateau Iris Configuration." Journal of Diagnostic Medical Sonography, August 5, 2021, 875647932110357. http://dx.doi.org/10.1177/87564793211035777.

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Objective: The development of ciliochoroidal effusions and secondary acute angle-closure crisis (AACC) is an uncommon side effect of topiramate, a common antiepileptic now FDA-approved for migraine prophylaxis. The mechanisms that underlie the development of ciliochoroidal effusions after topiramate use remain unclear. Materials and Methods: Ultrasound biomicroscopy (UBM) was also performed in all participants after stopping topiramate. Results: Six patient cases are presented with medication-induced AACC following the initiation or escalation of topiramate. Ciliochoroidal effusions were confi

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