Research Keyword: photomorphogenesis

Genetic and Genomic Analysis Identifies bcltf1 as the Transcription Factor Coding Gene Mutated in Field Isolate Bc116, Deficient in Light Responses, Differentiation and Pathogenicity in Botrytis cinerea

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Researchers studied a weak strain of gray mold fungus found in Spanish vineyards to understand why it cannot infect plants when exposed to light. Using genetic analysis, they discovered that the weakness is caused by a mutation in a single gene called bcltf1, which normally helps the fungus sense light and decide when to grow or reproduce. By restoring this gene in mutant strains, scientists confirmed its importance for fungal virulence and light responses, providing insights that could eventually help develop better disease control strategies.

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Genetic and Genomic Analysis Identifies bcltf1 as the Transcription Factor Coding Gene Mutated in Field Isolate Bc116, Deficient in Light Responses, Differentiation and Pathogenicity in Botrytis cinerea

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Researchers studying gray mold fungus in Spanish vineyards found a natural mutant strain (Bc116) that behaves differently from typical strains, particularly in response to light. Through genetic analysis, they identified that a mutation in the bcltf1 gene is responsible for this strain’s reduced ability to infect plants, increased spore production, and altered survival structure formation. Restoring the normal version of this gene reversed all these unusual characteristics, confirming bcltf1’s critical role in fungal development and disease-causing ability.

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Genetic and Genomic Analysis Identifies bcltf1 as the Transcription Factor Coding Gene Mutated in Field Isolate Bc116, Deficient in Light Responses, Differentiation and Pathogenicity in Botrytis cinerea

mycolabadmin

Scientists identified the genetic mutation responsible for unusual traits in a fungal strain (Bc116) that causes grape disease. The mutation in the bcltf1 gene prevents the fungus from infecting plants when exposed to light, while making it produce excessive spores and form smaller seed structures. By restoring the normal gene in laboratory experiments, researchers confirmed that this single gene controls multiple important fungal behaviors related to light sensing and disease-causing ability.

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Genetic and Genomic Analysis Identifies bcltf1 as the Transcription Factor Coding Gene Mutated in Field Isolate Bc116, Deficient in Light Responses, Differentiation and Pathogenicity in Botrytis cinerea

mycolabadmin

Scientists discovered that a particular gray mold fungus collected from vineyards loses its ability to cause disease when exposed to light. They found this is due to a mutation in a single gene called bcltf1, which acts as a light-sensing control switch. When they restored this gene, the fungus regained its disease-causing ability. This discovery helps explain how fungal pathogens sense light and use it to decide when and how to infect plants.

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