{"id":1976,"date":"2026-07-06T00:00:00","date_gmt":"2026-07-06T00:00:00","guid":{"rendered":"https:\/\/futurenews24.com\/index.php\/2026\/07\/06\/s41598-026-59086-6\/"},"modified":"2026-07-07T04:59:09","modified_gmt":"2026-07-07T04:59:09","slug":"s41598-026-59086-6","status":"publish","type":"post","link":"https:\/\/futurenews24.com\/index.php\/2026\/07\/06\/s41598-026-59086-6\/","title":{"rendered":"Built-in chemical and genomic evaluation of lipopeptides produced by Bacillus velezensis CMRP4489 with antifungal exercise"},"content":{"rendered":"


\n<\/p>\n

\n

Extraction and purification of the antifungal compound<\/h3>\n

5 fractions (F1-F5) had been obtained after the VLC of the cell free supernatant. To find out the chemical profiles of every fraction, a number of TLCs had been carried out utilizing completely different cell phases. Based on the outcomes, a water-methanol-butanol (2:4:4, v\/v) resolution was the optimum eluent for separating the parts of every fraction. The antifungal exercise of the fractions was monitored utilizing a disk diffusion check.<\/p>\n

The bioactive fraction (F2) was eluted once more with methanol\/butanol\/water [5:4:1] in FLC, and the antifungal compound (fraction F6F) was extracted (15.75\u00a0mg). All fractions had been monitored by TLC utilizing the eluent butanol\/methanol\/water [6:3:1, v\/v], the perfect eluent examined. In TLC, the fraction F6F confirmed bands with Rf of 0.32 and 0.47. The F6F fraction was subjected to prep HPLC, yielding 4 compounds: F6F.1, F6F.2, F6F.3, and F6F.4.<\/p>\n

Organic assays for exercise monitoring<\/h3>\n

Of the fractions ensuing from the VLC, solely F2 confirmed exercise in opposition to S. sclerotiorum within the disk diffusion check, with 16\u2009\u00b1\u20090.8\u00a0mm inhibition halos, whereas the lyophilized cell-free supernatant (crude extract) confirmed 15.5\u2009\u00b1\u20090.8\u00a0mm inhibition halos.<\/p>\n

Spot-on-lawn exams had been carried out to find out which fraction was obtained after FLC confirmed antifungal exercise (Supplementary Fig. S1). Among the many 9 fractions obtained (F1F-F9F), F6F, F7F, and F8F exhibited antifungal exercise in opposition to S. sclerotiorum, with inhibition halos measuring 26.25\u2009\u00b1\u20091.8, 23\u2009\u00b1\u20091.0, and 15\u2009\u00b1\u20090.5\u00a0mm, respectively. F6F confirmed probably the most important exercise (p\u2009<\u20090.05), with inhibition halos of 9\u2009\u00b1\u20091.0\u00a0mm on the identical focus as F2 (500\u00a0\u00b5g).<\/p>\n

We carried out MIC exams to find out the bottom MIC of F6F required to inhibit S. sclerotiorum. F6F was chosen to proceed the purification course of as a result of it exhibited the perfect antifungal exercise (Fig.\u00a01). The focus of F6F that utterly inhibited S. sclerotiorum development was 25\u00a0\u00b5g\/mL; when decreased by half, mycelial development additionally decreased by half. Concentrations under 12.5\u00a0\u00b5g\/mL confirmed decrease inhibition, with development remarkably just like the management, as proven in Fig.\u00a01.<\/p>\n

Among the many 4 compounds obtained in prep HPLC, solely F6F.1 produced inhibition halos, measuring 27.5\u2009\u00b1\u20092.0\u00a0mm with 250\u00a0\u00b5g within the spot-on-lawn check. In the meantime, F6F offered halos of 18.1\u2009\u00b1\u20090.4\u00a0mm on the identical focus (Fig.\u00a02).<\/p>\n

\n
Fig. 1<\/figcaption>
\n
\"Fig.<\/div>\n
\n

Impact of various concentrations of fraction F6F on the mycelial development of Sclerotinia sclerotiorum over time. Fungal development (cm) was measured at 0, 24, 48, and 72\u00a0h in PDA medium supplemented with F6F at concentrations of fifty, 25, 12.5, 6.2, 3.1, 1.5, 0.7, 0.35, and 0\u00a0\u00b5g\/mL. Inside every time level, bars are organized from left to proper in lowering focus (50 to 0\u00a0\u00b5g\/mL), as indicated within the coloration legend. Information signify the imply\u2009\u00b1\u2009customary deviation of three unbiased experiments, and error bars point out customary deviation.<\/p>\n<\/div>\n<\/div>\n<\/figure>\n<\/div>\n

\n
Fig. 2<\/figcaption>
\n
\"Fig.<\/div>\n
\n

Spot-on-Garden assay of the fractions obtained by prep HPLC utilizing F6F. A – Inhibition halos had been produced within the Spot-on-Garden assay utilizing 250\u00a0\u00b5g of the fractions obtained by prep HPLC in a 150\u2009\u00d7\u200915\u00a0mm plate. B \u2013 Inhibition halo of the F6F fraction utilizing 250\u00a0\u00b5g, and the management utilizing water to elute the fractions in a 90\u2009\u00d7\u200915\u00a0mm plate. Solely F6F.1 produced inhibition halos in opposition to S. sclerotiorum, except for F6F.<\/p>\n<\/div>\n<\/div>\n<\/figure>\n<\/div>\n

Lively compound identification<\/h3>\n

The ninhydrin check of F6F.1 in TLC was optimistic for amino acids (a single band with Rf=0.325). Within the optimistic UFLC-HR-ESI-MS spectra, two peaks had been noticed at m\/z 1021.5379 [M\u2009+\u2009H]+ (Supplementary Fig. S2) and m\/z 1035.5620 [M\u2009+\u2009H]+ (Supplementary Fig. S3), according to the molecular formulation C46H72N10O16 (calc.1021,5207) and C47H74N10O16 (calc. 1035.5363). These peaks recommend the presence of two compounds within the combination, denoted as A and B. The extra peaks at m\/z 1043.4992 additional supported the presence of two compounds: [M\u2009+\u2009Na]+ (A) and [M\u2009+\u2009Na]+ (B) at m\/z 1057.5418.<\/p>\n

Compounds A and B had been characterised with bacillopeptin A and bacillopeptin B by 1H NMR (Desk\u00a01), DOSY, COSY, HMBC, HSQC, and NOESY (Supplementary Fig. S4 to Fig. S10) in contrast with reported knowledge (13\u201317,28). Based mostly on the obtained spectra, fraction F6F.1 consists primarily of bacillopeptins A and B, with solely minor interfering compounds current at low concentrations.<\/p>\n

\n
Desk 1 1H and 13C NMR knowledge of 1 and a couple of in DMSO-d6 (\u03b4 in ppm, J in Hz)a in contrast with the literature knowledge for bacillopeptin A and Bb. From the NMR spectra, it was attainable to establish seven amino acid residues, along with an aliphatic carbon chain in compounds 1 and a couple of, just like bacillopeptin A and B, respectively.<\/figcaption><\/figure>\n<\/div>\n

Utilizing DOSY (Supplementary Fig. S4), it was attainable to establish the set of NMR peaks in F6F.1 equivalent to metabolites throughout the desired molecular weight vary, as indicated by the HRMS peaks. Pseudo-2D DOSY plots confirmed well-resolved indicators with diffusion coefficients between 0.8\u2009\u00d7\u200910\u2212\u200910 m2 s\u2212\u20091 and 0.9\u2009\u00d7\u200910\u2212\u200910 m2 s\u2212\u20091. Protons which have a diffusion coefficient between 0.8.10\u2212\u200910 m2 s\u2212\u20091 and 0.9.10\u2212\u200910 m2 s\u2212\u20091 are proven in Desk\u00a01.<\/p>\n

Bacillopeptin A and B have very comparable molecular buildings. The one structural distinction was the presence of a further methyl group at C-45 within the alkyl chain of bacillopeptin B. Consequently, many of the indicators noticed within the NMR spectra of compounds A and B overlap and have been assigned to each molecules.<\/p>\n

The 1H NMR spectrum (Supplementary Fig. S5) offered primarily eleven indicators (\u03b4 6.84\u20138.29) of N-bonded protons (\u2013NH\u2013 or \u2013NH2) and eight \u03b1-amide protons (\u03b4 4.49\u20133.74), according to a cyclic peptide composed of seven amino acid residues. The indicators at \u03b4 6.84, 6.92, and seven.42 ppm corresponded to the terminal amide protons (-NH2) of the 2 asparagine residues. The alkyl chains had been characterised by indicators associated to methylene (\u03b4 1.10 to 1.37) and methyl teams (\u03b4 0.80 to 0.84). Additionally, indicators at \u03b4 6.64 (2-H, J\u2009=\u20098.31\u00a0Hz) and seven.00 (2-H, J\u2009=\u20098.31\u00a0Hz) confirmed the presence of the p-hydroxyphenyl group of the tyrosine residue.<\/p>\n

Eight spin programs noticed in COSY (Supplementary Fig. S6) along with correlations current in HSQC (Supplementary Fig. S7) spectra helped establish the amino acid residues for compounds A and B: two asparagine (Asn), two serine (Ser), one glutamine (Gln), one threonine (Thr), and one tyrosine (Tyr). The carbonyl teams had been assigned based mostly on their correlations noticed within the HMBC spectrum (Supplementary Figs. S8 and S9) and correlations with different quaternary carbons. Correlations noticed within the NOESY spectrum (Supplementary Fig. S10) are proven in Fig.\u00a03.<\/p>\n

The n-alkyl chain, attribute of bacillopeptin A, was proposed based mostly on correlations noticed within the COSY spectrum between the terminal methyl group at \u03b4 0.80 ppm and the methylene teams at \u03b4 1.19 ppm in compound A. In the identical approach, branching within the terminal portion of the alkyl chain for compound B, attribute of bacillopetin B, was proposed based mostly on correlations noticed between indicators for 2 methyl teams at \u03b4 0.82 and 0.84 ppm and methylene teams at \u03b4 1.47 and 1.18 ppm, respectively. These observations, mixed with HMBC, HSQC, and HRMS knowledge, in contrast with the literature (13, 28\u201333), allowed us to establish compounds A and B as bacillopeptin A and bacillopeptin B, respectively. The molecular construction and the correlations noticed within the 2D spectra are proven in Fig.\u00a04.<\/p>\n

\n
Fig. 3<\/figcaption>
\n
\"Fig.<\/div>\n
\n

Synteny of genomic loci from the Bacillus velezensis CMRP4489 area 2, the BGC from Bacillus spp. from Dunlap et al. (2019), and BCG sequences deposited within the MIBiG database. Homology analyses had been carried out utilizing the Clinker Software program.<\/p>\n<\/div>\n<\/div>\n<\/figure>\n<\/div>\n

\n
Fig. 4<\/figcaption>
\n
\"Fig.<\/div>\n
\n

Chemical construction of Bacillopeptins produced by B. velezensis CMRP4489 and the correlations discovered within the 2D NMR spectra. The R group signifies the structural variations that differentiate bacillopeptin A from bacillopeptin B.<\/p>\n<\/div>\n<\/div>\n<\/figure>\n<\/div>\n

Genome mining of B. velezensis CMRP4489 for lipopeptides manufacturing<\/h3>\n

Genome mining utilizing antiSMASH recognized three areas harboring gene clusters for lipopeptide manufacturing: areas 2, 7, and 11 are related to the biosynthesis of surfactin, fengycin, and bacillibactin, respectively. The phylogenetic evaluation grouped B. velezensis CMRP4489 with Bacillus spp. used as reference (Supplementary Fig. S11). Based mostly on the phylogeny of the core enzymes, we discovered that Area 2 teams with BGC0000433 (surfactin) from Bacillus inaquosorum pressure KCTC 13,429, B. subtilis subsp. spizizenii pressure W23, and B. atrophaeus pressure SRCM101359 (Supplementary Fig. S11). Area 7 consists of the characterised BGCs from MIBiG\u2014BGC0001095 (fengycin), BGC0001090 (bacillomycin D), BGC0001098 (iturin), and BGC0001103 (mycosubtilin)\u2014in addition to all Bacillus spp. strains analyzed on this examine, aside from B. halotolerans pressure III-1(Supplementary Fig. S11).<\/p>\n

Area 11 harbors BGC0000309 (bacillibactin), together with clusters from B. inaquosorum pressure KCTC 13,429, B. subtilis subsp. spizizenii pressure W23, and B. atrophaeus pressure SRCM101359.<\/p>\n

To additional examine the similarity between the core enzymes and the entire biosynthetic gene clusters, we carried out a similarity evaluation (Figs.\u00a05, 6 and seven). In Fig.\u00a03, the surfactin cluster reveals excessive similarity with B. velezensis CMRP4489 Area 2 and the corresponding reference strains, indicating that your entire cluster is conserved. The clusters liable for iturin, bacillomycin D, mycosubtilin, and fengycin biosynthesis seem intently associated to B. velezensis CMRP4489 Area 7, in addition to to the opposite Bacillus spp. used as references for the presence of iturins and structurally associated lipopeptides. Nonetheless, fengycin biosynthesis seems to be derived from a definite gene cluster group (Fig.\u00a05).<\/p>\n

Our outcomes display that B. velezensis CMRP4489 shares core and tailoring enzymes with B. inaquosorum pressure KCTC 13,429 and B. atrophaeus pressure SRCM101359 (Fig.\u00a05). Nonetheless, some tailoring enzymes look like distinctive to the CMRP4489 pressure, and additional research are required to elucidate their biosynthetic roles in lipopeptide manufacturing.<\/p>\n

As talked about, Area 11 is related to bacillibactin biosynthesis. The gene cluster on this area is intently associated to the bacillibactin BGCs discovered within the different Bacillus spp. analyzed, though some tailoring enzymes stay uncharacterized (Fig.\u00a06).<\/p>\n

\n
Fig. 5<\/figcaption>
\n
\"Fig.<\/div>\n
\n

Synteny of genomic loci from the Bacillus velezensis CMRP4489 area 7, the BGC from Bacillus spp. from Dunlap and colleagues (21), and BCG sequences deposited within the MIBiG database. Homology analyses had been carried out utilizing the Clinker Software program.<\/p>\n<\/div>\n<\/div>\n<\/figure>\n<\/div>\n

\n
Fig. 6<\/figcaption>
\n
\"Fig.<\/div>\n
\n

Synteny of genomic loci from the Bacillus velezensis CMRP4489 area 11, the BGC from Bacillus spp. from Dunlap and colleagues (21), and BCG sequences deposited within the MIBiG database. Homology analyses had been carried out utilizing the Clinker Software program. Unpredicted proteins are named as others.<\/p>\n<\/div>\n<\/div>\n<\/figure>\n<\/div>\n

\n
Fig. 7<\/figcaption>
\n
\"Fig.<\/div>\n
\n

Scanning electron microscopy pictures of the antifungal impact of bacillopeptins in opposition to S. sclerotiorum. (A-C) Management (not handled with bacillopeptins): a lot of hyphae, demonstrating typical construction and a easy floor. (D-F) Agar interface containing bacillopeptins and S. sclerotiorum; hypha with a tough side and strange protuberances. Magnifications: 200\u00d7 (A, D), 400\u00d7 (B, E), and 800\u00d7 (C, F).<\/p>\n<\/div>\n<\/div>\n<\/figure>\n<\/div>\n

Scanning electron microscopy (SEM)<\/h3>\n

The impact of bacillopeptins on S. sclerotiorum was pronounced, inflicting important distortion and deformation of the hyphae. Within the untreated management, the mycelium exhibited the everyday traits of S. sclerotiorum, with a well-organized community construction and easy hyphal surfaces. In distinction, publicity to bacillopeptins induced noticeable morphological alterations, together with a roughened look and irregular protuberances, indicating that bacillopeptins successfully inhibited S. sclerotiorum development (Fig.\u00a07).<\/p>\n<\/div>\n


\n
Source link <\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Extraction and purification of the antifungal compound 5 fractions (F1-F5) had been obtained after the VLC of the cell free supernatant. To find out the chemical profiles of every fraction, a number of TLCs had been carried out utilizing completely different cell phases. Based on the outcomes, a water-methanol-butanol (2:4:4, v\/v) resolution was the optimum […]<\/p>\n","protected":false},"author":1,"featured_media":1978,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"https:\/\/media.springernature.com\/m685\/springer-static\/image\/art%3A10.1038%2Fs41598-026-59086-6\/MediaObjects\/41598_2026_59086_Fig1_HTML.png","fifu_image_alt":"","jnews-multi-image_gallery":[],"jnews_single_post":[],"jnews_primary_category":[],"jnews_override_bookmark_settings":[],"jnews_social_meta":[],"jnews_override_counter":[],"footnotes":""},"categories":[10],"tags":[391,218,2481,2478,143,2480,1800,2475,2476,2477,2479],"class_list":["post-1976","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-biotechnology","tag-activity","tag-analysis","tag-antifungal","tag-bacillus","tag-chemical","tag-cmrp4489","tag-genomic","tag-integrated","tag-lipopeptides","tag-produced","tag-velezensis"],"yoast_head":"\nBuilt-in chemical and genomic evaluation of lipopeptides produced by Bacillus velezensis CMRP4489 with antifungal exercise - Future News 24<\/title>\n<meta name=\"description\" content=\"Biological control by microorganisms is an increasingly interesting alternative for reducing crop losses caused by phytopathogens. The strain Bacillus velezensis CMRP4489 (LABIM40) stands out for its strong biotechnological potential for controlling fungal phytopathogens, and, according to in silico analyses, 12 significant gene clusters in its genome encode secondary metabolite biosynthetic pathways. The present study aimed to produce, extract, identify, and evaluate in vitro and in silico the antifungal metabolites produced by B. velezensis CMRP4489 with activity against Sclerotinia sclerotiorum, a fungus responsible for white mold. The compound with the highest activity was identified by high-resolution electrospray ionization mass spectrometry (HR-ESI-MS) analyses and nuclear magnetic resonance (NMR) spectroscopy as bacillopeptin, a molecule of the iturin family. As a result, we included comparative genomics of the iturin family and related cyclic lipopeptides and found at least three biosynthetic gene clusters (BGCs) associated with these compounds. To our knowledge, the present study is the first to report the antifungal activity of bacillopeptins against S. sclerotiorum.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/futurenews24.com\/index.php\/2026\/07\/06\/s41598-026-59086-6\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Built-in chemical and genomic evaluation of lipopeptides produced by Bacillus velezensis CMRP4489 with antifungal exercise - Future News 24\" \/>\n<meta property=\"og:description\" content=\"Biological control by microorganisms is an increasingly interesting alternative for reducing crop losses caused by phytopathogens. The strain Bacillus velezensis CMRP4489 (LABIM40) stands out for its strong biotechnological potential for controlling fungal phytopathogens, and, according to in silico analyses, 12 significant gene clusters in its genome encode secondary metabolite biosynthetic pathways. The present study aimed to produce, extract, identify, and evaluate in vitro and in silico the antifungal metabolites produced by B. velezensis CMRP4489 with activity against Sclerotinia sclerotiorum, a fungus responsible for white mold. The compound with the highest activity was identified by high-resolution electrospray ionization mass spectrometry (HR-ESI-MS) analyses and nuclear magnetic resonance (NMR) spectroscopy as bacillopeptin, a molecule of the iturin family. As a result, we included comparative genomics of the iturin family and related cyclic lipopeptides and found at least three biosynthetic gene clusters (BGCs) associated with these compounds. To our knowledge, the present study is the first to report the antifungal activity of bacillopeptins against S. sclerotiorum.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/futurenews24.com\/index.php\/2026\/07\/06\/s41598-026-59086-6\/\" \/>\n<meta property=\"og:site_name\" content=\"Future News 24\" \/>\n<meta property=\"article:published_time\" content=\"2026-07-06T00:00:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-07-07T04:59:09+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/media.springernature.com\/m685\/springer-static\/image\/art%3A10.1038%2Fs41598-026-59086-6\/MediaObjects\/41598_2026_59086_Fig1_HTML.png\" \/>\n<meta name=\"author\" content=\"Future News 24\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:image\" content=\"https:\/\/media.springernature.com\/m685\/springer-static\/image\/art%3A10.1038%2Fs41598-026-59086-6\/MediaObjects\/41598_2026_59086_Fig1_HTML.png\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Future News 24\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"9 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/futurenews24.com\\\/index.php\\\/2026\\\/07\\\/06\\\/s41598-026-59086-6\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/futurenews24.com\\\/index.php\\\/2026\\\/07\\\/06\\\/s41598-026-59086-6\\\/\"},\"author\":{\"name\":\"Future News 24\",\"@id\":\"https:\\\/\\\/futurenews24.com\\\/#\\\/schema\\\/person\\\/cecad1bde21cfc357cf70128144d6c83\"},\"headline\":\"Built-in chemical and genomic evaluation of lipopeptides produced by Bacillus velezensis CMRP4489 with antifungal exercise\",\"datePublished\":\"2026-07-06T00:00:00+00:00\",\"dateModified\":\"2026-07-07T04:59:09+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/futurenews24.com\\\/index.php\\\/2026\\\/07\\\/06\\\/s41598-026-59086-6\\\/\"},\"wordCount\":1806,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/futurenews24.com\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/futurenews24.com\\\/index.php\\\/2026\\\/07\\\/06\\\/s41598-026-59086-6\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/media.springernature.com\\\/m685\\\/springer-static\\\/image\\\/art%3A10.1038%2Fs41598-026-59086-6\\\/MediaObjects\\\/41598_2026_59086_Fig1_HTML.png\",\"keywords\":[\"activity\",\"Analysis\",\"antifungal\",\"Bacillus\",\"chemical\",\"CMRP4489\",\"genomic\",\"Integrated\",\"lipopeptides\",\"produced\",\"velezensis\"],\"articleSection\":[\"BioTechnology\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/futurenews24.com\\\/index.php\\\/2026\\\/07\\\/06\\\/s41598-026-59086-6\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/futurenews24.com\\\/index.php\\\/2026\\\/07\\\/06\\\/s41598-026-59086-6\\\/\",\"url\":\"https:\\\/\\\/futurenews24.com\\\/index.php\\\/2026\\\/07\\\/06\\\/s41598-026-59086-6\\\/\",\"name\":\"Built-in chemical and genomic evaluation of lipopeptides produced by Bacillus velezensis CMRP4489 with antifungal exercise - Future News 24\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/futurenews24.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/futurenews24.com\\\/index.php\\\/2026\\\/07\\\/06\\\/s41598-026-59086-6\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/futurenews24.com\\\/index.php\\\/2026\\\/07\\\/06\\\/s41598-026-59086-6\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/media.springernature.com\\\/m685\\\/springer-static\\\/image\\\/art%3A10.1038%2Fs41598-026-59086-6\\\/MediaObjects\\\/41598_2026_59086_Fig1_HTML.png\",\"datePublished\":\"2026-07-06T00:00:00+00:00\",\"dateModified\":\"2026-07-07T04:59:09+00:00\",\"description\":\"Biological control by microorganisms is an increasingly interesting alternative for reducing crop losses caused by phytopathogens. The strain Bacillus velezensis CMRP4489 (LABIM40) stands out for its strong biotechnological potential for controlling fungal phytopathogens, and, according to in silico analyses, 12 significant gene clusters in its genome encode secondary metabolite biosynthetic pathways. The present study aimed to produce, extract, identify, and evaluate in vitro and in silico the antifungal metabolites produced by B. velezensis CMRP4489 with activity against Sclerotinia sclerotiorum, a fungus responsible for white mold. The compound with the highest activity was identified by high-resolution electrospray ionization mass spectrometry (HR-ESI-MS) analyses and nuclear magnetic resonance (NMR) spectroscopy as bacillopeptin, a molecule of the iturin family. As a result, we included comparative genomics of the iturin family and related cyclic lipopeptides and found at least three biosynthetic gene clusters (BGCs) associated with these compounds. 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