scholarly journals Elevated signature of a gene module coexpressed with CDC20 marks genomic instability in glioma

2019 ◽  
Vol 116 (14) ◽  
pp. 6975-6984 ◽  
Author(s):  
Yunqiu Zhang ◽  
Jiuyi Li ◽  
Kaikai Yi ◽  
Jing Feng ◽  
Zhengmin Cong ◽  
...  
Keyword(s):  
Genomic Instability ◽  
Gene Dosage ◽  
Chromosome Instability ◽  
Therapy Resistance ◽  
Gene Module ◽  
Organ Systems ◽  
Elevated Expression ◽  
Stem And Progenitor Cells ◽  
Primary Glioma

Genomic instability (GI) drives tumor heterogeneity and promotes tumor progression and therapy resistance. However, causative factors underlying GI and means for clinical detection of GI in glioma are inadequately identified. We describe here that elevated expression of a gene module coexpressed with CDC20 (CDC20-M), the activator of the anaphase-promoting complex in the cell cycle, marks GI in glioma. The CDC20-M, containing 139 members involved in cell proliferation, DNA damage response, and chromosome segregation, was found to be consistently coexpressed in glioma transcriptomes. The coexpression of these genes was conserved across multiple species and organ systems, particularly in human neural stem and progenitor cells. CDC20-M expression was not correlated with the morphological subtypes, nor with the recently defined molecular subtypes of glioma. CDC20-M signature was an independent and robust predictor for poorer prognosis in over 1,000 patients from four large databases. Elevated CDC20-M signature enabled the identification of individual glioma samples with severe chromosome instability and mutation burden and of primary glioma cell lines with extensive mitotic errors leading to chromosome mis-segregation. AURKA, a core member of CDC20-M, was amplified in one-third of CDC20-M–high gliomas with gene-dosage–dependent expression. MLN8237, a Food and Drug Administration-approved AURKA inhibitor, selectively killed temozolomide-resistant primary glioma cells in vitro and prolonged the survival of a patient-derived xenograft mouse model with a high–CDC20-M signature. Our findings suggest that application of the CDC20-M signature may permit more selective use of adjuvant therapies for glioma patients and that dysregulated CDC20-M members may provide a therapeutic vulnerability in glioma.

scholarly journals Dysregulated Aid/Apobec Family Proteins Promote Genomic Instability in Multiple Myeloma

Blood ◽  
2016 ◽  
Vol 128 (22) ◽  
pp. 803-803
Author(s):  
Srikanth Talluri ◽  
Mehmet Kemal Samur ◽  
Leutz Buon ◽  
Stekla A Megan ◽  
Purushothama Nanjappa ◽  
...  
Keyword(s):  
Genomic Instability ◽  
Cell Lines ◽  
Copy Number ◽  
Cytidine Deaminase ◽  
Myeloma Cell ◽  
Mrna Editing ◽  
Genomic Changes ◽  
Elevated Expression ◽  
Apobec Family

Abstract The AID/APOBEC family of cytidine deaminase proteins includes AID (activity induced deaminase), and 10 related APOBEC enzymes (A1, A2, A3A, A3B, A3C, A3D, A3F, A3G, A3H and A4). AID has been well-studied for its role in somatic hyper mutation and class switch recombination of immunoglobulin genes whereas APOBECs (apolipoprotein B mRNA editing enzyme, catalytic polypeptide-like) have been shown to have roles in mRNA editing and in antiviral immunity. Dysregulated activity of APOBECs causes C >T transitions or C>G, C>A transversions in DNA. We have recently shown APOBEC signature mutation pattern in multiple myeloma (MM) genomes (Bolli et al Nat. Comm. 2014), and interestingly, the APOBEC mutation signature correlates with sub clonal diversity in myeloma. A role for the AID/APOBECs in generation of somatic mutations has also been proposed in a variety of other cancers based on identification of APOBEC signature mutations In order to understand which APOBECs are dysregulated in myeloma, we performed RNA sequencing analysis of primary myeloma cells from 409 newly-diagnosed MM patients and myeloma cell lines. Our analysis showed elevated expression of several APOBEC family members; mainly A3A, A3B, A3C, and A3G. We then optimized a plasmid-based functional assay and found high cytidine deaminase activity in extracts from a number of myeloma cell lines and patient derived CD138+ cells compared to CD138+ cells from healthy donors, suggesting that APOBECs are dysregulated in myeloma. We then investigated the impact of elevated APOBEC expression/function on overall genome maintenance and acquisition of genomic changes (such as amplifications, deletions) overtime. We used shRNA-mediated knockdown of specific APOBEC proteins in myeloma cell lines and investigated the acquisition of genomic changes in control and knockdown cells during their growth in culture, using SNP (Single Nucleotide Polymorphism) arrays and WGS (whole genome sequencing) platforms. Our results with both approaches showed significant reduction in the accumulation of copy number changes (both amplifications and deletions) and overall mutation load after APOBEC knockdown. Evaluation with both the SNP and WGS showed that when control and APOBEC knockdown cells were cultured for three weeks, the acquisition of new copy number and mutational changes throughout genome were reduced by ~50%. We next investigated the relationship between APOBEC expression/activity in MM and other DNA repair pathways. Using an in vitro HR activity assay, we measured HR activity in extracts from control and APOBEC knockdown cells. Depletion of APOBEC proteins resulted in 50-80% reduction in in vitro HR activity of the extracts. We also evaluated correlation between HR activity and gene expression using RNA-seq data from myeloma cells derived from 100 patients at diagnosis and identified the genes whose expression correlated with HR activity. Elevated expression of APOBECs 3D, 3G and 3F significantly correlated with high HR activity (R=0.3; P≤0.02), suggesting their relevance to HR. Analyzing genomic copy number information for each patient we have also observed significant correlation between higher expression of A3G and increased genomic instability in this dataset (P=0.0045). In summary, our study shows that dysregulated APOBECs induce mutations and genomic instability, and inhibiting APOBEC activity could reduce the rate of accumulation of ongoing genomic changes. This data sheds light on biology of the disease as well as clonal evolution. Disclosures Munshi: Amgen: Consultancy; Oncopep: Patents & Royalties; Celgene: Consultancy; Janssen: Consultancy; Takeda: Consultancy; Merck: Consultancy; Pfizer: Consultancy.

scholarly journals The roles and prognostic significance of ABI1-TSV-11 expression in patients with left-sided colorectal cancer

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Yu Zhang ◽  
Zhaohui Zhong ◽  
Mei Li ◽  
Jingyi Chen ◽  
Tingru Lin ◽  
...  
Keyword(s):  
Colorectal Cancer ◽  
Prognostic Significance ◽  
Growth Factor Receptor ◽  
The Cancer Genome Atlas ◽  
Actin Dynamics ◽  
Elevated Expression ◽  
Sw480 Cells ◽  
And Migration

AbstractAbnormally expressed and/or phosphorylated Abelson interactor 1 (ABI1) participates in the metastasis and progression of colorectal cancer (CRC). ABI1 presents as at least 12 transcript variants (TSVs) by mRNA alternative splicing, but it is unknown which of them is involved in CRC metastasis and prognosis. Here, we firstly identified ABI1-TSV-11 as a key TSV affecting the metastasis and prognosis of left-sided colorectal cancer (LsCC) and its elevated expression is related to lymph node metastasis and shorter overall survival (OS) in LsCC by analyzing data from The Cancer Genome Atlas and TSVdb. Secondly, ABI1-TSV-11 overexpression promoted LoVo and SW480 cells adhesion and migration in vitro, and accelerated LoVo and SW480 cells lung metastasis in vivo. Finally, mechanism investigations revealed that ABI1-isoform-11 interacted with epidermal growth factor receptor pathway substrate 8 (ESP8) and regulated actin dynamics to affect LoVo and SW480 cells biological behaviors. Taken together, our data demonstrated that ABI1-TSV-11 plays an oncogenic role in LsCC, it is an independent risk factor of prognosis and may be a potential molecular marker and therapeutic target in LsCC.

scholarly journals Long noncoding RNA SNHG14 promotes hepatocellular carcinoma progression by regulating miR-876-5p/SSR2 axis

2021 ◽  
Vol 40 (1) ◽  
Author(s):  
Zhibin Liao ◽  
Hongwei Zhang ◽  
Chen Su ◽  
Furong Liu ◽  
Yachong Liu ◽  
...  
Keyword(s):  
Noncoding Rna ◽  
Animal Experiments ◽  
Luciferase Reporter ◽  
Western Blot Assay ◽  
Downstream Target ◽  
Protein Levels ◽  
Elevated Expression ◽  
Rna Immunoprecipitation

Abstract Background Aberrant expressions of long noncoding RNAs (lncRNAs) have been demonstrated to be related to the progress of HCC. The mechanisms that SNHG14 has participated in the development of HCC are obscure. Methods Quantitative real-time PCR (qRT-PCR) was used to measure the lncRNA, microRNA and mRNA expression level. Cell migration, invasion and proliferation ability were evaluated by transwell and CCK8 assays. The ceRNA regulatory mechanism of SNHG14 was evaluated by RNA immunoprecipitation (RIP) and dual luciferase reporter assay. Tumorigenesis mouse model was used to explore the roles of miR-876-5p in vivo. The protein levels of SSR2 were measured by western blot assay. Results In this study, we demonstrated that SNHG14 was highly expressed in HCC tissues, meanwhile, the elevated expression of SNHG14 predicted poor prognosis in patients with HCC. SNHG14 promoted proliferation and metastasis of HCC cells. We further revealed that SNHG14 functioned as a competing endogenous RNA (ceRNA) for miR-876-5p and that SSR2 was a downstream target of miR-876-5p in HCC. Transwell, CCK8 and animal experiments exhibited miR-876-5p inhibited HCC progression in vitro and in vivo. By conducting rescue experiments, we found the overexpression of SSR2 or knocking down the level of miR-876-5p could reverse the suppressive roles of SNHG14 depletion in HCC. Conclusion SNHG14 promotes HCC progress by acting as a sponge of miR-876-5p to regulate the expression of SSR2 in HCC.

scholarly journals Elevated expression of the adhesion GPCR ADGRL4/ELTD1 promotes endothelial sprouting angiogenesis without activating canonical GPCR signalling

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
David M. Favara ◽  
Ines Liebscher ◽  
Ali Jazayeri ◽  
Madhulika Nambiar ◽  
Helen Sheldon ◽  
...  
Keyword(s):  
Transcriptional Profiling ◽  
Gc Content ◽  
Luciferase Reporter ◽  
Cell Phenotype ◽  
Beta Catenin ◽  
Sprouting Angiogenesis ◽  
Proteolytic Site ◽  
Elevated Expression ◽  
Adhesion Gpcr

AbstractADGRL4/ELTD1 is an orphan adhesion GPCR (aGPCR) expressed in endothelial cells that regulates tumour angiogenesis. The majority of aGPCRs are orphan receptors. The Stachel Hypothesis proposes a mechanism for aGPCR activation, in which aGPCRs contain a tethered agonist (termed Stachel) C-terminal to the GPCR-proteolytic site (GPS) cleavage point which, when exposed, initiates canonical GPCR signalling. This has been shown in a growing number of aGPCRs. We tested this hypothesis on ADGRL4/ELTD1 by designing full length (FL) and C-terminal fragment (CTF) ADGRL4/ELTD1 constructs, and a range of potential Stachel peptides. Constructs were transfected into HEK293T cells and HTRF FRET, luciferase-reporter and Alphascreen GPCR signalling assays were performed. A stable ADGRL4/ELTD1 overexpressing HUVEC line was additionally generated and angiogenesis assays, signalling assays and transcriptional profiling were performed. ADGRL4/ELTD1 has the lowest GC content in the aGPCR family and codon optimisation significantly increased its expression. FL and CTF ADGRL4/ELTD1 constructs, as well as Stachel peptides, did not activate canonical GPCR signalling. Furthermore, stable overexpression of ADGRL4/ELTD1 in HUVECs induced sprouting angiogenesis, lowered in vitro anastomoses, and decreased proliferation, without activating canonical GPCR signalling or MAPK/ERK, PI3K/AKT, JNK, JAK/HIF-1α, beta catenin or STAT3 pathways. Overexpression upregulated ANTXR1, SLC39A6, HBB, CHRNA, ELMOD1, JAG1 and downregulated DLL4, KIT, CCL15, CYP26B1. ADGRL4/ELTD1 specifically regulates the endothelial tip-cell phenotype through yet undefined signalling pathways.

scholarly journals Eukaryotic clamp loaders and unloaders in the maintenance of genome stability

2020 ◽  
Vol 52 (12) ◽  
pp. 1948-1958
Author(s):  
Kyoo-young Lee ◽  
Su Hyung Park
Keyword(s):  
Dna Damage ◽  
Genomic Instability ◽  
Genome Stability ◽  
Critical Role ◽  
Nuclear Antigen ◽  
Checkpoint Activation ◽  
Sliding Clamp ◽  
Clamp Loaders ◽  
Factor C

AbstractEukaryotic sliding clamp proliferating cell nuclear antigen (PCNA) plays a critical role as a processivity factor for DNA polymerases and as a binding and acting platform for many proteins. The ring-shaped PCNA homotrimer and the DNA damage checkpoint clamp 9-1-1 are loaded onto DNA by clamp loaders. PCNA can be loaded by the pentameric replication factor C (RFC) complex and the CTF18-RFC-like complex (RLC) in vitro. In cells, each complex loads PCNA for different purposes; RFC-loaded PCNA is essential for DNA replication, while CTF18-RLC-loaded PCNA participates in cohesion establishment and checkpoint activation. After completing its tasks, PCNA is unloaded by ATAD5 (Elg1 in yeast)-RLC. The 9-1-1 clamp is loaded at DNA damage sites by RAD17 (Rad24 in yeast)-RLC. All five RFC complex components, but none of the three large subunits of RLC, CTF18, ATAD5, or RAD17, are essential for cell survival; however, deficiency of the three RLC proteins leads to genomic instability. In this review, we describe recent findings that contribute to the understanding of the basic roles of the RFC complex and RLCs and how genomic instability due to deficiency of the three RLCs is linked to the molecular and cellular activity of RLC, particularly focusing on ATAD5 (Elg1).

scholarly journals Localization matters: nuclear-trapped Survivin sensitizes glioblastoma cells to temozolomide by elevating cellular senescence and impairing homologous recombination

2021 ◽  
Author(s):  
Thomas R. Reich ◽  
Christian Schwarzenbach ◽  
Juliana Brandstetter Vilar ◽  
Sven Unger ◽  
Fabian Mühlhäusler ◽  
...  
Keyword(s):  
Homologous Recombination ◽  
Nuclear Export ◽  
Cell Model ◽  
Chromosome Instability ◽  
Direct Interaction ◽  
High Grade Glioma ◽  
Strand Break ◽  
Γh2ax Foci

AbstractTo clarify whether differential compartmentalization of Survivin impacts temozolomide (TMZ)-triggered end points, we established a well-defined glioblastoma cell model in vitro (LN229 and A172) and in vivo, distinguishing between its nuclear and cytoplasmic localization. Expression of nuclear export sequence (NES)-mutated Survivin (SurvNESmut-GFP) led to impaired colony formation upon TMZ. This was not due to enhanced cell death but rather due to increased senescence. Nuclear-trapped Survivin reduced homologous recombination (HR)-mediated double-strand break (DSB) repair, as evaluated by γH2AX foci formation and qPCR-based HR assay leading to pronounced induction of chromosome aberrations. Opposite, clones, expressing free-shuttling cytoplasmic but not nuclear-trapped Survivin, could repair TMZ-induced DSBs and evaded senescence. Mass spectrometry-based interactomics revealed, however, no direct interaction of Survivin with any of the repair factors. The improved TMZ-triggered HR activity in Surv-GFP was associated with enhanced mRNA and stabilized RAD51 protein expression, opposite to diminished RAD51 expression in SurvNESmut cells. Notably, cytoplasmic Survivin could significantly compensate for the viability under RAD51 knockdown. Differential Survivin localization also resulted in distinctive TMZ-triggered transcriptional pathways, associated with senescence and chromosome instability as shown by global transcriptome analysis. Orthotopic LN229 xenografts, expressing SurvNESmut exhibited diminished growth and increased DNA damage upon TMZ, as manifested by PCNA and γH2AX foci expression, respectively, in brain tissue sections. Consequently, those mice lived longer. Although tumors of high-grade glioma patients expressed majorly nuclear Survivin, they exhibited rarely NES mutations which did not correlate with survival. Based on our in vitro and xenograft data, Survivin nuclear trapping would facilitate glioma response to TMZ.

scholarly journals The role of the PZP domain of AF10 in acute leukemia driven by AF10 translocations

2021 ◽  
Vol 12 (1) ◽  
Author(s):  
Brianna J. Klein ◽  
Anagha Deshpande ◽  
Khan L. Cox ◽  
Fan Xuan ◽  
Mohamad Zandian ◽  
...  
Keyword(s):  
Critical Role ◽  
Cellular Transformation ◽  
Acute Leukemias ◽  
Hematopoietic Stem ◽  
Nucleosome Core ◽  
Stem And Progenitor Cells ◽  
Transforming Activity

AbstractChromosomal translocations of the AF10 (or MLLT10) gene are frequently found in acute leukemias. Here, we show that the PZP domain of AF10 (AF10PZP), which is consistently impaired or deleted in leukemogenic AF10 translocations, plays a critical role in blocking malignant transformation. Incorporation of functional AF10PZP into the leukemogenic CALM-AF10 fusion prevents the transforming activity of the fusion in bone marrow-derived hematopoietic stem and progenitor cells in vitro and in vivo and abrogates CALM-AF10-mediated leukemogenesis in vivo. Crystallographic, biochemical and mutagenesis studies reveal that AF10PZP binds to the nucleosome core particle through multivalent contacts with the histone H3 tail and DNA and associates with chromatin in cells, colocalizing with active methylation marks and discriminating against the repressive H3K27me3 mark. AF10PZP promotes nuclear localization of CALM-AF10 and is required for association with chromatin. Our data indicate that the disruption of AF10PZP function in the CALM-AF10 fusion directly leads to transformation, whereas the inclusion of AF10PZP downregulates Hoxa genes and reverses cellular transformation. Our findings highlight the molecular mechanism by which AF10 targets chromatin and suggest a model for the AF10PZP-dependent CALM-AF10-mediated leukemogenesis.

scholarly journals Elucidation of the core betalain biosynthesis pathway in Amaranthus tricolor

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Yu-Cheng Chang ◽  
Yi-Ching Chiu ◽  
Nai-Wen Tsao ◽  
Yuan-Lin Chou ◽  
Choon-Meng Tan ◽  
...  
Keyword(s):  
Transcriptome Analysis ◽  
Natural Antioxidants ◽  
Biosynthesis Pathway ◽  
Comparative Transcriptome ◽  
Amaranthus Tricolor ◽  
Enzymatic Assays ◽  
Comparative Transcriptome Analysis ◽  
Elevated Expression ◽  
Green Coloration

AbstractAmaranthus tricolor L., a vegetable Amaranthus species, is an economically important crop containing large amounts of betalains. Betalains are natural antioxidants and can be classified into betacyanins and betaxanthins, with red and yellow colors, respectively. A. tricolor cultivars with varying betalain contents, leading to striking red to green coloration, have been commercially produced. However, the molecular differences underlying betalain biosynthesis in various cultivars of A. tricolor remain largely unknown. In this study, A. tricolor cultivars with different colors were chosen for comparative transcriptome analysis. The elevated expression of AmCYP76AD1 in a red-leaf cultivar of A. tricolor was proposed to play a key role in producing red betalain pigments. The functions of AmCYP76AD1, AmDODAα1, AmDODAα2, and AmcDOPA5GT were also characterized through the heterologous engineering of betalain pigments in Nicotiana benthamiana. Moreover, high and low L-DOPA 4,5-dioxygenase activities of AmDODAα1 and AmDODAα2, respectively, were confirmed through in vitro enzymatic assays. Thus, comparative transcriptome analysis combined with functional and enzymatic studies allowed the construction of a core betalain biosynthesis pathway of A. tricolor. These results not only provide novel insights into betalain biosynthesis and evolution in A. tricolor but also provide a basal framework for examining genes related to betalain biosynthesis among different species of Amaranthaceae.

scholarly journals Genetic Suppressor Element 1 (GSE1) Promotes the Oncogenic and Recurrent Phenotypes of Castration-Resistant Prostate Cancer by Targeting Tumor-Associated Calcium Signal Transducer 2 (TACSTD2)

Cancers ◽  
2021 ◽  
Vol 13 (16) ◽  
pp. 3959
Author(s):  
Oluwaseun Adebayo Bamodu ◽  
Yuan-Hung Wang ◽  
Chen-Hsun Ho ◽  
Su-Wei Hu ◽  
Chia-Da Lin ◽  
...  
Keyword(s):  
Prostate Cancer ◽  
Disease Progression ◽  
Therapy Resistance ◽  
Calcium Signal ◽  
Signal Transducer ◽  
Castration Resistance ◽  
Castration Resistant

Background: prostate cancer (PCa) is a principal cause of cancer-related morbidity and mortality. Castration resistance and metastasis are clinical challenges and continue to impede therapeutic success, despite diagnostic and therapeutic advances. There are reports of the oncogenic activity of genetic suppressor element (GSE)1 in breast and gastric cancers; however, its role in therapy resistance, metastasis, and susceptibility to disease recurrence in PCa patients remains unclear. Objective: this study investigated the role of aberrantly expressed GSE1 in the metastasis, therapy resistance, relapse, and poor prognosis of advanced PCa. Methods: we used a large cohort of multi-omics data and in vitro, ex vivo, and in vivo assays to investigate the potential effect of altered GSE1 expression on advanced/castration-resistant PCa (CRPC) treatment responses, disease progression, and prognosis. Results: using a multi-cohort approach, we showed that GSE1 is upregulated in PCa, while tumor-associated calcium signal transducer 2 (TACSTD2) is downregulated. Moreover, the direct, but inverse, correlation interaction between GSE1 and TACSTD2 drives metastatic disease, castration resistance, and disease progression and modulates the clinical and immune statuses of patients with PCa. Patients with GSE1highTACSTD2low expression are more prone to recurrence and disease-specific death than their GSE1lowTACSTD2high counterparts. Interestingly, we found that the GSE1–TACSTD2 expression profile is associated with the therapy responses and clinical outcomes in patients with PCa, especially those with metastatic/recurrent disease. Furthermore, we demonstrate that the shRNA-mediated targeting of GSE1 (shGSE1) significantly inhibits cell proliferation and attenuates cell migration and tumorsphere formation in metastatic PC3 and DU145 cell lines, with an associated suppression of VIM, SNAI2, and BCL2 and the concomitant upregulation of TACSTD2 and BAX. Moreover, shGSE1 enhances sensitivity to the antiandrogens abiraterone and enzalutamide in vitro and in vivo. Conclusion: these data provide preclinical evidence of the oncogenic role of dysregulated GSE1–TACSTD2 signaling and show that the molecular or pharmacological targeting of GSE1 is a workable therapeutic strategy for inhibiting androgen-driven oncogenic signals, re-sensitizing CRPC to treatment, and repressing the metastatic/recurrent phenotypes of patients with PCa.

scholarly journals Eap1p, an Adhesin That Mediates Candida albicans Biofilm Formation In Vitro and In Vivo

2007 ◽  
Vol 6 (6) ◽  
pp. 931-939 ◽  
Author(s):  
Fang Li ◽  
Michael J. Svarovsky ◽  
Amy J. Karlsson ◽  
Joel P. Wagner ◽  
Karen Marchillo ◽  
...  
Keyword(s):  
Candida Albicans ◽  
Cell Adhesion ◽  
Biofilm Formation ◽  
Fungal Infections ◽  
Gene Dosage ◽  
Venous Catheter ◽  
Flow Chamber ◽  
Dependent Manner

ABSTRACT Candida albicans is the leading cause of systemic fungal infections in immunocompromised humans. The ability to form biofilms on surfaces in the host or on implanted medical devices enhances C. albicans virulence, leading to antimicrobial resistance and providing a reservoir for infection. Biofilm formation is a complex multicellular process consisting of cell adhesion, cell growth, morphogenic switching between yeast form and filamentous states, and quorum sensing. Here we describe the role of the C. albicans EAP1 gene, which encodes a glycosylphosphatidylinositol-anchored, glucan-cross-linked cell wall protein, in adhesion and biofilm formation in vitro and in vivo. Deleting EAP1 reduced cell adhesion to polystyrene and epithelial cells in a gene dosage-dependent manner. Furthermore, EAP1 expression was required for C. albicans biofilm formation in an in vitro parallel plate flow chamber model and in an in vivo rat central venous catheter model. EAP1 expression was upregulated in biofilm-associated cells in vitro and in vivo. Our results illustrate an association between Eap1p-mediated adhesion and biofilm formation in vitro and in vivo.

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