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Статті в журналах з теми "Fungal Lectin"

Автор: Grafiati

Опубліковано: 11 березня 2023

Оновлено: 31 липня 2025

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1

Lebreton, Annie, François Bonnardel, Yu-Cheng Dai, Anne Imberty, Francis M. Martin, and Frédérique Lisacek. "A Comprehensive Phylogenetic and Bioinformatics Survey of Lectins in the Fungal Kingdom." Journal of Fungi 7, no. 6 (2021): 453. http://dx.doi.org/10.3390/jof7060453.

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Анотація:

Fungal lectins are a large family of carbohydrate-binding proteins with no enzymatic activity. They play fundamental biological roles in the interactions of fungi with their environment and are found in many different species across the fungal kingdom. In particular, their contribution to defense against feeders has been emphasized, and when secreted, lectins may be involved in the recognition of bacteria, fungal competitors and specific host plants. Carbohydrate specificities and quaternary structures vary widely, but evidence for an evolutionary relationship within the different classes of f

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2

Wimmerova, Michaela, Edward Mitchell, Jean-Frederic Sanchez, Catherine Gautier, and Anne Imberty. "Crystal Structure of Fungal Lectin." Journal of Biological Chemistry 278, no. 29 (2003): 27059–67. http://dx.doi.org/10.1074/jbc.m302642200.

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3

Wanchoo, Arun, Michael W. Lewis, and Nemat O. Keyhani. "Lectin mapping reveals stage-specific display of surface carbohydrates in in vitro and haemolymph-derived cells of the entomopathogenic fungus Beauveria bassiana." Microbiology 155, no. 9 (2009): 3121–33. http://dx.doi.org/10.1099/mic.0.029157-0.

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The entomopathogenic fungus Beauveria bassiana and its insect host target represent a model system with which to examine host–pathogen interactions. Carbohydrate epitopes on the surfaces of fungal cells play diverse roles in processes that include adhesion, non-self recognition and immune invasion with respect to invertebrate hosts. B. bassiana produces a number of distinct cell types that include aerial conidia, submerged conidia, blastospores and haemolymph-derived cells termed in vivo blastospores or hyphal bodies. In order to characterize variations in the surface carbohydrate epitopes amo

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4

Gutiérrez-Aguirre, Ion, Peter Trontelj, Peter Maček, Jeremy H. Lakey, and Gregor Anderluh. "Membrane binding of zebrafish actinoporin-like protein: AF domains, a novel superfamily of cell membrane binding domains." Biochemical Journal 398, no. 3 (2006): 381–92. http://dx.doi.org/10.1042/bj20060206.

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Actinoporins are potent eukaryotic pore-forming toxins specific for sphingomyelin-containing membranes. They are structurally similar to members of the fungal fruit-body lectin family that bind cell-surface exposed Thomsen–Friedenreich antigen. In the present study we found a number of sequences in public databases with similarity to actinoporins. They originate from three animal and two plant phyla and can be classified in three families according to phylogenetic analysis. The sequence similarity is confined to a region from the C-terminal half of the actinoporin molecule and comprises the me

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5

Sabotič та Kos. "CNL–Clitocybe nebularis Lectin—The Fungal GalNAcβ1-4GlcNAc-Binding Lectin". Molecules 24, № 23 (2019): 4204. http://dx.doi.org/10.3390/molecules24234204.

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Clitocybe nebularis lectin (CNL) is present in fruiting bodies of clouded agaric along with several similar isolectins that are all small and stable proteins. It is a beta-trefoil type lectin forming homodimers that are essential for its functionality. It binds specifically N,N’-diacetyllactosediamine (GalNAcβ1-4GlcNAc, LacDiNac) and human blood group A determinant-containing glycan epitopes. Its most probable function is to defend fruiting bodies against predators and parasites. In addition, an endogenous regulatory function is possible for CNL, as indicated by its interaction with fungal pro

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6

Jiang, Na, Yuqing Wang, Jing Zhou, et al. "A novel mannose-binding lectin from Liparis nervosa with anti-fungal and anti-tumor activities." Acta Biochimica et Biophysica Sinica 52, no. 10 (2020): 1081–92. http://dx.doi.org/10.1093/abbs/gmaa090.

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Abstract Plant lectins are carbohydrate-binding proteins with nonimmune origin, which can reversibly bind with carbohydrates, agglutinate cells, and precipitate polysaccharides and glycoconjugates. Plant lectins have attracted much attention for their anti-virus, anti-proliferation, and pro-apoptosis properties. Thus the exploration of new lectins has received special attention. Here we purified a mannose-binding lectin from the rhizomes of Liparis nervosa by ion exchange chromatography on DEAE-Sepharose, affinity chromatography on Mannose-Sepharose 4B, and gel filtration chromatography on Sep

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7

Benhamou, N., N. Gilboa-Garber, J. Trudel, and A. Asselin. "A new lectin-gold complex for ultrastructural localization of galacturonic acids." Journal of Histochemistry & Cytochemistry 36, no. 11 (1988): 1403–11. http://dx.doi.org/10.1177/36.11.3049790.

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We report the development of a cytochemical affinity technique for detection of galacturonic acids at the ultrastructural level. The highly purified gonad lectin from Aplysia depilans (AGL) was tagged with colloidal gold particles and used for labeling carbohydrates in resin-embedded sections of various plant and fungal tissues. Patterns of AGL binding sites were compared to those obtained with a D-galactose-specific lectin, Ricinus communis agglutinin I. Differences in labeling patterns were noted, indicating that the lectins exhibited differential carbohydrate binding. In addition, the consi

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8

Odiegwu C.N.C, Emenuga V. N., Ogamba S. E., Obi C. M., and Ejike C. E. "Microbial agglutination and lymphocyte blastogenesis potentials of isolated Achatina achatina snail lectin." World Journal of Advanced Research and Reviews 9, no. 1 (2021): 104–13. http://dx.doi.org/10.30574/wjarr.2021.9.1.0505.

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Lectins are involved in recognition phenomena and their ability to bind particular Carbohydrate structures are the key to their biological functions. Bacteria typically attaches to prospective host cell membranes in receptors with lectin like sugar specificity. This is of great importance as the adherence of bacteria to host tissue surfaces is the initial event in bacterial infection. Lectins are also known to play important roles in immune system by recognizing carbohydrates that are found exclusively on pathogens, or that are inaccessible on host cells. This ability of lectins to selectively

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9

Plavec, Tina Vida, Abida Zahirović, Petra Zadravec, Jerica Sabotič, and Aleš Berlec. "Lectin-Mediated Binding of Engineered Lactococcus lactis to Cancer Cells." Microorganisms 9, no. 2 (2021): 223. http://dx.doi.org/10.3390/microorganisms9020223.

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Lectins have been increasingly utilized as carriers for targeted drug delivery based on their specific binding to glycans located on mammalian cells. This study employed two lectins, B subunit of bacterial Shiga holotoxin (Stx1B) and fungal Clitocybe nebularis lectin (CNL), for surface display on the lactic acid bacterium Lactococcus lactis. The specific adhesion of these engineered, lectin-displaying L. lactis to cancer cells was evaluated. The expression and surface display of both lectins on L. lactis were demonstrated by western blotting and flow cytometry, respectively. MTS assays reveale

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10

Rodriguez-de la Noval, Claudia, Susana Ruiz Mendoza, Diego de Souza Gonçalves, et al. "Protective Efficacy of Lectin-Fc(IgG) Fusion Proteins In Vitro and in a Pulmonary Aspergillosis In Vivo Model." Journal of Fungi 6, no. 4 (2020): 250. http://dx.doi.org/10.3390/jof6040250.

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Aspergillosis cases by Aspergillus fumigatus have increased, along with fungal resistance to antifungals, urging the development of new therapies. Passive immunization targeting common fungal antigens, such as chitin and β-glucans, are promising and would eliminate the need of species-level diagnosis, thereby expediting the therapeutic intervention. However, these polysaccharides are poorly immunogenic. To overcome this drawback, we developed the lectin-Fc(IgG) fusion proteins, Dectin1-Fc(IgG2a), Dectin1-Fc(IgG2b) and wheat germ agglutinin (WGA)-Fc(IgG2a), based on their affinity to β-1,3-gluc

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11

Odiegwu, C.N.C., V. N. Emenuga, S. E. Ogamba, C. M. Obi, and C. E. Ejike. "Microbial agglutination and lymphocyte blastogenesis potentials of isolated Achatina achatina snail lectin." World Journal of Advanced Research and Reviews 9, no. 1 (2021): 104–13. https://doi.org/10.5281/zenodo.4533794.

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Анотація:

Lectins are involved in recognition phenomena and their ability to bind particular Carbohydrate structures are the key to their biological functions. Bacteria typically attaches to prospective host cell membranes in receptors with lectin like sugar specificity. This is of great importance as the adherence of bacteria to host tissue surfaces is the initial event in bacterial infection. Lectins are also known to play important roles in immune system by recognizing carbohydrates that are found exclusively on pathogens, or that are inaccessible on host cells. This ability of lectins to selectively

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12

Barak, R., and I. Chet. "Lectin ofSclerotium rolfsii: its purification and possible function in fungal-fungal interaction." Journal of Applied Bacteriology 69, no. 1 (1990): 101–12. http://dx.doi.org/10.1111/j.1365-2672.1990.tb02917.x.

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13

Christ, Marvin, Itzel Rubio Elizalde, Paul Weiland, et al. "Structural and Functional Analysis of the Lectin-like Protein Llp1 Secreted by Ustilago maydis upon Infection of Maize." Journal of Fungi 11, no. 2 (2025): 164. https://doi.org/10.3390/jof11020164.

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The biotrophic fungus Ustilago maydis, which causes smut disease in maize, secretes numerous proteins upon plant colonization. Some of them, termed effectors, help to evade plant defenses and manipulate cellular processes within the host. The function of many proteins specifically secreted during infection remains elusive. In this study, we biochemically characterized one such protein, UMAG_00027, that is highly expressed during plant infection. We show that UMAG_00027 is a secreted protein with a lectin-like fold and therefore term it Llp1 (lectin-like-protein 1). Llp1 decorated the fungal ce

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14

Shiokawa, Moe, Sho Yamasaki, and Shinobu Saijo. "C-type lectin receptors in anti-fungal immunity." Current Opinion in Microbiology 40 (December 2017): 123–30. http://dx.doi.org/10.1016/j.mib.2017.11.004.

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15

Wang, Hexiang, and Tzi Bun Ng. "First report of an arabinose-specific fungal lectin." Biochemical and Biophysical Research Communications 337, no. 2 (2005): 621–25. http://dx.doi.org/10.1016/j.bbrc.2005.09.096.

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16

Krahmer, R. L., J. J. Morrell, and A. Choi. "Double-Staining to Improve Visualisation of Wood Decay Hyphae in Wood Sections." IAWA Journal 7, no. 2 (1986): 165–67. http://dx.doi.org/10.1163/22941932-90000981.

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Анотація:

Combining fluorescent-labeled wheat germ agglutinin (a chitin-specific lectin) with conventional histological stains offers a simple, efficient method for studying fungal hyphae in deteriorating wood. Cell walls stain dark red with safranin 0, providing excellent contrast for the green-fluorescing hyphae. Staining sections with brilliant vital red markedly enhances the visibility of fungal bore holes.

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17

Kim, W. K., and H. J. Reisener. "Evidence for binding between host proteins and pathogen wall components in the wheat stem rust system from affinity protein blotting technique." Canadian Journal of Botany 66, no. 9 (1988): 1702–6. http://dx.doi.org/10.1139/b88-233.

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Polypeptides extracted from the urediosporeling walls of Puccinia graminis tritici were separated by two-dimensional isoelectric focusing – polyacrylamide gel electrophoresis and stained with Coomassie brilliant blue or silver or electrophoretically transferred onto nitrocellulose membrane and probed for glycosylation using concanavalin A – horseradish peroxidase, soybean agglutinin-biotin – avidin peroxidase labeled, and Lotus lectin-biotin – avidin peroxidase labeled. More than 40 proteins were distributed in the gel by silver staining. Forty concanavalin A binding glycopeptides were identif

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18

Vautier, Simon, Donna M. MacCallum, and Gordon D. Brown. "C-type lectin receptors and cytokines in fungal immunity." Cytokine 58, no. 1 (2012): 89–99. http://dx.doi.org/10.1016/j.cyto.2011.08.031.

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19

Xu, Xiao-Chao, Zhong-Wei Zhang, Yang-Er Chen, Ming Yuan, Shu Yuan, and Jin-ku Bao. "Antiviral and antitumor activities of the lectin extracted from Aspidistra elatior." Zeitschrift für Naturforschung C 70, no. 1-2 (2015): 7–13. http://dx.doi.org/10.1515/znc-2014-4108.

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Abstract Lectins, a group of highly diverse proteins of non-immune origin and are ubiquitously distributed in plants, animals and fungi, have multiple significant biological functions, such as anti-fungal, anti-viral and, most notably, anti-tumor activities. A lectin was purified from the rhizomes of Aspidistra elatior Blume, named A. elatior lectin (AEL). In vitro experiments showed that the minimum inhibitory concentrations of AEL against the vesicular stomatitis virus, Coxsackie virus B4, and respiratory syncytial virus were all the same at about 4 μg/mL. However, AEL was ineffective agains

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20

Xiao, Hui, Zihou Deng, and Tania H. Watts. "TRAF1 negatively regulates C-type lectin receptor-induced proinflammatory response to fungal infection." Journal of Immunology 196, no. 1_Supplement (2016): 205.10. http://dx.doi.org/10.4049/jimmunol.196.supp.205.10.

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Abstract Fungal infections pose serious health threat worldwide, causing severe mucosal and systemic candidiasis in elderly people, AIDS patients and organ recipients. Through sensing fungal cell-wall components b-glucan and mannan, C-type lectin receptors (CLRs) dectin-1 and dectin-2/3 play pivotal role in the induction of anti-fungal innate and adaptive immune responses. However, the regulatory mechanisms of CLR signaling remain to be better understood. Indeed, our previous work demonstrated that the protein tyrosine phosphatase SHP-2 acts as a positive regulator of CLR-induced signaling, an

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21

Liu, Yusen, Carli E. Mager, Evan D. Shelton, et al. "Mkp-1 deficiency strengthens immune defense against fungal infection." Journal of Immunology 210, no. 1_Supplement (2023): 160.25. http://dx.doi.org/10.4049/jimmunol.210.supp.160.25.

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Abstract Fungal infections are a serious threat to people with a compromised immune system. The recognition of fungal pathogens relies on pathways mediated by TLRs and C-type lectin receptors. Activation of these TLR and C-type lectin receptor pathways converge on both NF-κB and MAPKs to initiate cytokine and chemokine production, leading to phagocyte recruitment and pathogen elimination. Mkp-1 is a negative feedback regulator of the p38 and JNK MAPKs. To understand the role of Mkp-1 in immune defense against fungal pathogens, we assessed the effects of Mkp-1 deficiency on the immune response

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22

Fakhoury, A. M., та C. P. Woloshuk. "Inhibition of Growth of Aspergillus flavus and Fungal α-Amylases by a Lectin-Like Protein from Lablab purpureus". Molecular Plant-Microbe Interactions® 14, № 8 (2001): 955–61. http://dx.doi.org/10.1094/mpmi.2001.14.8.955.

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Aspergillus flavus is a fungal pathogen of maize causing an important ear rot disease when plants are exposed to drought and heat stress. Associated with the disease is the production of aflatoxins, which are a series of structurally related mycotoxins known to be carcinogenic. Previous research has suggested that the α-amylase of A. flavus promotes aflatoxin production in the endosperm of infected maize kernels. We report here the isolation and characterization of a 36-kDa α-amylase inhibitor from Lablab purpureus (AILP). AILP inhibited the α-amylases from several fungi but had little effect

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23

NAGATA, Yoshiho, Masako YAMASHITA, Hiroaki HONDA, et al. "Characterization, Occurrence, and Molecular Cloning of a Lectin fromGrifola frondosa: Jacalin-Related Lectin of Fungal Origin." Bioscience, Biotechnology, and Biochemistry 69, no. 12 (2005): 2374–80. http://dx.doi.org/10.1271/bbb.69.2374.

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24

Potts, S. J., J. F. Thompson, and D. C. Slaughter. "The effect of fungal species on the fluorescent lectin test." Journal of Microbiological Methods 46, no. 3 (2001): 187–91. http://dx.doi.org/10.1016/s0167-7012(01)00267-6.

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25

LeibundGut-Landmann, Salom??, Marcel W??thrich, and Tobias M. Hohl. "Immunity to fungi." Current Opinion in Immunology 24, no. 4 (2012): 449–58. https://doi.org/10.5281/zenodo.13535036.

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Анотація:

(Uploaded by Plazi for the Bat Literature Project) The global increase in fungal disease burden, the emergence of novel pathogenic fungi, and the lack of fungal vaccines have focused intense interest in elucidating immune defense mechanisms against fungi. Recent studies in animal models and in humans identify an integrated role for C-type lectin and Toll-like receptor signaling in activating innate and adaptive responses that control medically relevant fungi. Beyond the critical role of phagocytes in host defense, the generation and balance of specific T helper subsets contributes to sterilizi

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26

LeibundGut-Landmann, Salom??, Marcel W??thrich, and Tobias M. Hohl. "Immunity to fungi." Current Opinion in Immunology 24, no. 4 (2012): 449–58. https://doi.org/10.5281/zenodo.13535036.

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Анотація:

(Uploaded by Plazi for the Bat Literature Project) The global increase in fungal disease burden, the emergence of novel pathogenic fungi, and the lack of fungal vaccines have focused intense interest in elucidating immune defense mechanisms against fungi. Recent studies in animal models and in humans identify an integrated role for C-type lectin and Toll-like receptor signaling in activating innate and adaptive responses that control medically relevant fungi. Beyond the critical role of phagocytes in host defense, the generation and balance of specific T helper subsets contributes to sterilizi

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27

Pankratov, A. N., O. M. Tsivileva, B. I. Drevko, and V. E. Nikitina. "Quantum Chemical Study and QSAR Properties of 3-Seleno- pentanediones-1,5 Aromatic Derivatives: Prerequisites for Inter action with the Carbohydrate-Binding Proteins." Izvestiya of Saratov University. Chemistry. Biology. Ecology 10, no. 1 (2010): 7–13. http://dx.doi.org/10.18500/1816-9775-2010-10-1-7-13.

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The role of spatial and electronic structure, hydrophobic properties and concentration of organoselenium compounds on their interaction with fungal metabolites - carbohydrate-binding proteins, extracellular lectins of Lentinula edodes (shiitake mushroom) has been consi dered. By the hybrid density functional theory method at the B3LYP/6-31G(d,p) theory level, spatial and electronic structure of the 1,5-di(4-R-phenyl)-3-selenopentanediones-1,5 molecules has been studied. By means of the QSAR properties evaluation by the atomic- bonding-additive schemes, the distinct hydrophobicity of these com

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28

Rosen, Stefan, Miroslaw Kata, Yvonne Persson, et al. "Molecular Characterization of a Saline-Soluble Lectin from a Parasitic Fungus. Extensive Sequence Similarities Between Fungal Lectins." European Journal of Biochemistry 238, no. 3 (1996): 822–29. http://dx.doi.org/10.1111/j.1432-1033.1996.0822w.x.

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29

Benhamou, N., and G. B. Ouellette. "Ultrastructural localization of glycoconjugates in the fungus Ascocalyx abietina, the Scleroderris canker agent of conifers, using lectin-gold complexes." Journal of Histochemistry & Cytochemistry 34, no. 7 (1986): 855–67. http://dx.doi.org/10.1177/34.7.3519750.

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Анотація:

Different glycoconjugates were revealed in the fungus Ascocalyx abietina (Lagerberg.) Schlaepfer-Bernhard, by using various lectin-gold complexes. N-acetylglucosamine, N-acetylgalactosamine, and D-mannose were specifically localized in cell walls of fungal cells. N-acetylneuraminic acid (sialic acid) and L-fucose were detected in structures corresponding to lipid bodies, whereas they were totally absent in the cell wall. This is the first report on the occurrence of sialic acid in fungi and of fucose in Ascomycetes. The great advantage of using lectin-gold complexes for ultrastructural localiz

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30

Machon, Oriane, Steffi F. Baldini, João P. Ribeiro, et al. "Recombinant fungal lectin as a new tool to investigateO-GlcNAcylation processes." Glycobiology 27, no. 2 (2016): 123–28. http://dx.doi.org/10.1093/glycob/cww105.

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31

Hamshou, M., E. J. M. Van Damme, and G. Smagghe. "Entomotoxic effects of fungal lectin from Rhizoctonia solani towards Spodoptera littoralis." Fungal Biology 114, no. 1 (2010): 34–40. http://dx.doi.org/10.1016/j.mycres.2009.10.002.

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32

Choteau, L., M. Parny, N. François, et al. "Role of mannose-binding lectin in intestinal homeostasis and fungal elimination." Mucosal Immunology 9, no. 3 (2015): 767–76. http://dx.doi.org/10.1038/mi.2015.100.

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33

Borrebaeck, Carl A. K., Bo Mattiasson, and Birgit Nordbring-Hertz. "A fungal lectin and its apparent receptors on a nematode surface." FEMS Microbiology Letters 27, no. 1 (1985): 35–39. http://dx.doi.org/10.1111/j.1574-6968.1985.tb01633.x.

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34

Tronchin, Guy, Karine Esnault, Myriam Sanchez, Gerald Larcher, Agnes Marot-Leblond, and Jean-Philippe Bouchara. "Purification and Partial Characterization of a 32-Kilodalton Sialic Acid-Specific Lectin from Aspergillus fumigatus." Infection and Immunity 70, no. 12 (2002): 6891–95. http://dx.doi.org/10.1128/iai.70.12.6891-6895.2002.

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Анотація:

ABSTRACT Adherence of the opportunistic fungus Aspergillus fumigatus to the extracellular matrix components is considered a crucial step in the establishment of the infection. Given the high carbohydrate content of these glycoproteins and the role of carbohydrate-protein interactions in numerous adherence processes, the presence of a lectin in A. fumigatus was investigated. Different fungal extracts obtained by sonication or grinding in liquid nitrogen from resting or swollen conidia, as well as from germ tubes and mycelium, were tested by hemagglutination assays using rabbit erythrocytes. A l

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35

Ooi, Linda S. M., Fang Liu, Vincent E. C. Ooi, T. B. Ng, and M. C. Fung. "Gene expression of immunomodulatory cytokines induced by Narcissus tazetta lectin in the mouse." Biochemistry and Cell Biology 80, no. 2 (2002): 271–77. http://dx.doi.org/10.1139/o01-240.

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The immunomodulation of Narcissus tazetta lectin (NTL) on the induction of gene expression of cytokines in the mouse was studied using specific cytokine primers, total RNA isolated from mouse splenocytes and macrophages, and reverse transcription polymerase chain reaction (RT-PCR). For comparison, a fungal antimitogenic lectin from Agaricus bisporus (ABL) was used to test and compare the acute (kinetic) induction of cytokine gene expression. NTL was able to induce the expression of IL-1β, TNF-α, and immunoreactive nitric oxide synthase (NOS) in both splenocytes and macrophages in vivo after

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36

Jeffs, Lloyd B., Ilungo J. Xavier, Russell E. Matai, and George G. Khachatourians. "Relationships between fungal spore morphologies and surface properties for entomopathogenic members of the general Beauveria, Metarhizium, Paecilomyces,Tolypocladium, and Verticillium." Canadian Journal of Microbiology 45, no. 11 (1999): 936–48. http://dx.doi.org/10.1139/w99-097.

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The surface properties of aerial conidia (AC) from 24 strains of entomopathogenic fungi were studied and compared using the salt-mediated aggregation and sedimentation (SAS) assay, electron microscopy, FITC-labelled lectins, and spore dimensions. Spores with rugose surfaces were hydrophobic, whereas hydrophilic spores had smooth surfaces. Correlation analysis found no link between spore dimensions and either hydrophobicity or surface carbohydrates. However, there was a strong positive correlation between spore hydrophobicity and surface carbohydrates. The three spore types of Beauveria bassian

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37

Wolf, Andrea J., Randi M. Simmons, Helen S. Goodridge, and David M. Underhill. "Polymorphisms associated with human Dectin-1 result in disrupted protein folding and loss of function (135.47)." Journal of Immunology 182, no. 1_Supplement (2009): 135.47. http://dx.doi.org/10.4049/jimmunol.182.supp.135.47.

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Abstract Recognition of fungal pathogens is primarily mediated by a combination of TLRs and Dectin-1, the C-type lectin receptor for fungal β-glucans. While fungal infections in U.S. hospitals primarily arise among immune compromised patients, there has been an increased incidence in fungal infections that has been complicated by the emergence of drug resistance among fungal pathogens. Even though Dectin-1 functions as one of the primary phagocytic receptors in macrophages for fungal pathogens, the importance of Dectin-1 for controlling fungal pathogens is still unclear and may be pathogen dep

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38

Bidula, Stefan, Hany Kenawy, Youssif M. Ali, Darren Sexton, Wilhelm J. Schwaeble, and Silke Schelenz. "Role of Ficolin-A and Lectin Complement Pathway in the Innate Defense against Pathogenic Aspergillus Species." Infection and Immunity 81, no. 5 (2013): 1730–40. http://dx.doi.org/10.1128/iai.00032-13.

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ABSTRACTAspergillusspecies are saprophytic molds causing life-threatening invasive fungal infections in the immunocompromised host. Innate immune recognition, in particular, the mechanisms of opsonization and complement activation, has been reported to be an integral part of the defense against fungi. We have shown that the complement component ficolin-A significantly binds toAspergillusconidia and hyphae in a concentration-dependent manner and was inhibited byN-acetylglucosamine andN-acetylgalactosamine. Calcium-independent binding toAspergillus fumigatusandA. terreuswas observed, but binding

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39

Iliev, Iliyan D., and Irina Leonardi. "Fungal dysbiosis: immunity and interactions at mucosal barriers." Nature Reviews Immunology 17, no. 10 (2017): 635–46. https://doi.org/10.5281/zenodo.13535737.

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(Uploaded by Plazi for the Bat Literature Project) The term dysbiosis has been used to describe disruptions of microbial communities that lead to a shift in steady-state composition that is distinct from that induced by infections. Recent work has suggested that, in addition to bacterial dysbiosis, fungal dysbiosis might contribute to the pathology of several immune-mediated conditions of non-infectious origin.Fungal dysbiosis is observed in human diseases affecting different barrier surfaces, including the mouth, vagina, skin, lungs and gut.The mucosal immune system can respond to changes in

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40

Iliev, Iliyan D., and Irina Leonardi. "Fungal dysbiosis: immunity and interactions at mucosal barriers." Nature Reviews Immunology 17, no. 10 (2017): 635–46. https://doi.org/10.5281/zenodo.13535737.

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Анотація:

(Uploaded by Plazi for the Bat Literature Project) The term dysbiosis has been used to describe disruptions of microbial communities that lead to a shift in steady-state composition that is distinct from that induced by infections. Recent work has suggested that, in addition to bacterial dysbiosis, fungal dysbiosis might contribute to the pathology of several immune-mediated conditions of non-infectious origin.Fungal dysbiosis is observed in human diseases affecting different barrier surfaces, including the mouth, vagina, skin, lungs and gut.The mucosal immune system can respond to changes in

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41

Mateos, François Villalba, Martina Rickauer, and Marie-Thérèse Esquerré-Tugayé. "Cloning and Characterization of a cDNA Encoding an Elicitor of Phytophthora parasitica var. nicotianae That Shows Cellulose-Binding and Lectin-Like Activities." Molecular Plant-Microbe Interactions® 10, no. 9 (1997): 1045–53. http://dx.doi.org/10.1094/mpmi.1997.10.9.1045.

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Phytophthora parasitica var. nicotianae produces a 34-kDa glycoprotein elicitor (CBEL) that is localized in the cell wall. A cDNA encoding the protein moiety of this elicitor was cloned and characterized. The deduced amino acid sequence consisted of two direct repeats of a cysteine-rich domain, joined by a Thr/Pro-rich region. Although having no general homology with published sequences, the positions of the cysteine residues in the two repeats show a conserved pattern, similar to that of the cellulose-binding domain of fungal glycanases. CBEL did not possess hydrolytic activity on a variety o

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42

Maldonado, Samuel D., Jihong Dai, Orchi Dutta, et al. "Human Plasmacytoid Dendritic Cells Express C-Type Lectin Receptors and Attach and Respond to Aspergillus fumigatus." Journal of Immunology 209, no. 4 (2022): 675–83. http://dx.doi.org/10.4049/jimmunol.2000632.

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Abstract Plasmacytoid dendritic cells (pDCs) have been implicated as having a role in antifungal immunity, but mechanisms of their interaction with fungi and the resulting cellular responses are not well understood. In this study, we identify the direct and indirect biological response of human pDCs to the fungal pathogen Aspergillus fumigatus and characterize the expression and regulation of antifungal receptors on the pDC surface. Results indicate pDCs do not phagocytose Aspergillus conidia, but instead bind hyphal surfaces and undergo activation and maturation via the upregulation of costim

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43

Stutz, Katrin, Andres Kaech, Markus Aebi, Markus Künzler, and Michael O. Hengartner. "Disruption of the C. elegans Intestinal Brush Border by the Fungal Lectin CCL2 Phenocopies Dietary Lectin Toxicity in Mammals." PLOS ONE 10, no. 6 (2015): e0129381. http://dx.doi.org/10.1371/journal.pone.0129381.

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44

McCabe, Patricia M., and Neal K. Van Alfen. "Secretion of Cryparin, a Fungal Hydrophobin." Applied and Environmental Microbiology 65, no. 12 (1999): 5431–35. http://dx.doi.org/10.1128/aem.65.12.5431-5435.1999.

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ABSTRACT Cryparin is a cell-surface-associated hydrophobin of the filamentous ascomycete Cryphonectria parasitica. This protein contains a signal peptide that directs it to the vesicle-mediated secretory pathway. We detected a glycosylated form of cryparin in a secretory vesicle fraction, but secreted forms of this protein are not glycosylated. This glycosylation occurred in the proprotein region, which is cleaved during maturation by a Kex2-like serine protease, leaving a mature form of cryparin that could be isolated from both the cell wall and culture medium. Pulse-chase labeling experiment

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45

Robinson, Matthew J., Fabiola Osorio, Marcela Rosas, et al. "Dectin-2 is a Syk-coupled pattern recognition receptor crucial for Th17 responses to fungal infection." Journal of Experimental Medicine 206, no. 9 (2009): 2037–51. http://dx.doi.org/10.1084/jem.20082818.

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Innate immune cells detect pathogens via pattern recognition receptors (PRRs), which signal for initiation of immune responses to infection. Studies with Dectin-1, a PRR for fungi, have defined a novel innate signaling pathway involving Syk kinase and the adaptor CARD9, which is critical for inducing Th17 responses to fungal infection. We show that another C-type lectin, Dectin-2, also signals via Syk and CARD9, and contributes to dendritic cell (DC) activation by fungal particles. Unlike Dectin-1, Dectin-2 couples to Syk indirectly, through association with the FcRγ chain. In a model of Candi

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46

Amiel, Eyal, Phyu M. Thwe, Daniel Fritz, and Julia Snyder. "Syk-dependent Glycolytic Reprogramming in Dendritic Cells Regulates IL-1-beta Production to Fungal-assoicated Ligands in a TLR-independent Manner." Journal of Immunology 202, no. 1_Supplement (2019): 64.2. http://dx.doi.org/10.4049/jimmunol.202.supp.64.2.

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Abstract Dendritic cells (DCs) activated via TLR ligation experience metabolic reprogramming, in which the cells are heavily dependent on glucose and glycolysis for the synthesis of molecular building blocks essential for maturation, cytokine production, and the ability to stimulate T cells. Although the TLR-driven metabolic reprogramming events are well documented, fungal-mediated metabolic regulation via C-type Lectin Receptors such as Dectin-1 is not clearly understood. Here, we show that activation of DCs with fungal-associated ligands induces acute glycolytic reprogramming that supports t

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47

Massicotte, H. B., C. A. Ackerley, and R. L. Peterson. "Localization of three sugar residues in the interface of ectomycorrhizae synthesized between Alnus crispa and Alpova diplophloeus as demonstrated by lectin binding." Canadian Journal of Botany 65, no. 6 (1987): 1127–32. http://dx.doi.org/10.1139/b87-157.

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The interface established between Alnus crispa and the basidiomycete Alpova diplophloeus involves structural modifications of host cell walls and hyphal walls in the Hartig net region of the ectomycorrhizae synthesized in pouches. Indirect labelling of cell wall carbohydrates by using colloidal gold conjugated with the lectins Ulex europaeus agglutinin, wheat-germ agglutinin, and concanavalin A was applied to these mycorrhizae and to nonmycorrhizal roots. Significantly more binding of the lectins was observed in the mycorrhizal roots than in control roots. In the Hartig net region of mycorrhiz

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48

Audfray, Aymeric, Mona Beldjoudi, Adrien Breiman, et al. "A Recombinant Fungal Lectin for Labeling Truncated Glycans on Human Cancer Cells." PLOS ONE 10, no. 6 (2015): e0128190. http://dx.doi.org/10.1371/journal.pone.0128190.

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49

Nagre, Nagaraja N., Vishwanath B. Chachadi, Sachin M. Eligar, et al. "Purification and Characterization of a Mitogenic Lectin fromCephalosporium, a Pathogenic Fungus Causing Mycotic Keratitis." Biochemistry Research International 2010 (2010): 1–6. http://dx.doi.org/10.1155/2010/854656.

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Ophthalmic mycoses caused by infectious fungi are being recognized as a serious concern since they lead to total blindness.Cephalosporiumis one amongst several opportunistic fungal species implicated in ophthalmic infections leading to mycotic keratitis. A mitogenic lectin has been purified from the mycelia of fungusCephalosporium, isolated from the corneal smears of a keratitis patient.Cephalosporiumlectin (CSL) is a tetramer with subunit mass of 14 kDa, agglutinates human A, B, and O erythrocytes, and exhibits high affinity for mucin compared to fetuin and asialofetuin but does not bind to s

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Bertini, Laura, Silvia Proietti, Maria Pia Aleandri, et al. "Modular structure of HEL protein from Arabidopsis reveals new potential functions for PR-4 proteins." Biological Chemistry 393, no. 12 (2012): 1533–46. http://dx.doi.org/10.1515/hsz-2012-0225.

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Abstract Plants possess an innate immune system enabling them to defend themselves against pathogen attack. The accumulation of newly synthesized pathogenesis-related proteins (PRs) is one of the most studied inducible plant defence response. In this paper, we report on the characterization of a class I PR4 vacuolar protein from Arabidopsis, named AtHEL. The protein has a modular structure consisting of an N-terminal hevein-like domain (CB-HEL) and a C-terminal domain (CD-HEL) that are posttranslationally processed. Both domains show a strong antifungal activity, but they do not have chitinoli

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