Fungal Mutant Screening
Fungal Mutant Screening - Related Videos
06:16
High Throughput Screening of Fungal Endoglucanase Activity in Escherichia coli
0 Views •
Cited by 7 •
2011
We describe a low cost, high throughput method to screen for fungal endoglucanase activity in E. coli. The method relies on a simple visual readout of substrate degradation, does not require enzyme purification, and is highly scalable. This allows for the rapid screening of large libraries of enzyme variants.
10:50
Directed Evolution Method in Saccharomyces cerevisiae: Mutant Library Creation and Screening
0 Views •
Cited by 10 •
2016
We present a detailed protocol to construct and screen mutant libraries for directed evolution campaigns in Saccharomyces cerevisiae.
14:56
A Genetic Screen to Isolate Toxoplasma gondii Host-cell Egress Mutants
0 Views •
Cited by 18 •
2012
Forward genetics is a powerful method to unravel the molecular level of how Toxoplasma egresses from its host cell. Protocols are provided to chemically mutagenize parasites, enrich for mutants with defects in induced egress, and validate the phenotype of cloned mutants.
08:52
Live-cell Video Microscopy of Fungal Pathogen Phagocytosis
0 Views •
Cited by 22 •
2013
We describe methods for live-cell video microscopy of Candida albicans phagocytosis by macrophages. These methods enable stage-specific analysis of macrophage migration, recognition, engulfment and phagosome maturation and reveal novel aspects of phagocytosis.
11:44
Generation and Multi-phenotypic High-content Screening of Coxiella burnetii Transposon Mutants
0 Views •
Cited by 28 •
2015
Coxiella burnetii is an obligate intracellular Gram-negative bacterium responsible for the zoonotic disease Q fever. Here we describe methods for the generation of Coxiella fluorescent transposon mutants as well as the automated identification and analysis of the resulting internalization, replication and cytotoxic phenotypes.
FAQs
A phenotype alone does not establish that a particular genetic change caused it. Researchers associate the altered trait with a disrupted or modified gene, then use genetic analysis or complementation to confirm the relationship. This evidence more securely connects the candidate gene with the observed cellular or developmental function.
Controlled growth conditions make phenotype comparisons more interpretable because environmental differences can otherwise obscure or mimic effects of a genetic change. Comparing mutants with a reference strain across traits such as growth, morphology, sporulation, or specialized-structure formation helps identify differences associated with the strain rather than with cultivation conditions.
Changes in morphology, sporulation, or specialized structures can indicate disruption of processes that control cell differentiation, multicellular patterning, or signaling. Examining these outcomes connects gene activity to visible stages of fungal development and can also reveal how developmental programs respond to changing environmental conditions during growth.
A typical workflow begins by generating or obtaining mutant populations, followed by cultivation under controlled conditions. Researchers compare each strain with a reference strain and record altered traits involving growth, morphology, sporulation, or specialized structures. Candidate gene associations are then examined through genetic analysis or complementation to confirm the relationship.
The approach can support investigations of fungal pathogenicity, metabolism, and biotechnology in addition to developmental mechanisms. Mutants with altered growth, morphology, sporulation, or specialized structures may provide genetic entry points for studying these broader properties. The resulting comparisons help relate a modified gene to functions that matter across different research applications.
Screening connects these areas by showing whether genetic changes affecting growth, morphology, sporulation, or specialized structures also relate to traits studied in pathogenicity, metabolism, or biotechnology. This cross-application value allows a developmental finding to serve as a starting point for examining broader fungal biology while keeping the gene-phenotype relationship central.