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Plant Silencing Construct Protects Against Anthracnose Disease

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Published March 25th, 2026
Detected April 2nd, 2026
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Summary

The European Patent Office published patent application EP4353740A1 for Universidade de Évora, covering a plant gene silencing construct and method for protecting plants against anthracnose disease caused by Colletotrichum fungi. The invention uses RNAi technology targeting the CfHMA1 gene. The patent is now publicly available for opposition purposes.

What changed

European Patent Office published application EP4353740A1 filed by Universidade de Évora (Portugal) for a gene silencing construct and method to induce plant resistance against anthracnose disease. The invention involves a DNA construct encoding a hairpin RNA targeting the CfHMA1 gene in Colletotrichum pathogens. Designated states cover all current EU member states plus extended countries (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, ME, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR).\n\nThis is a patent publication notice only. There are no compliance deadlines, reporting requirements, or enforcement actions associated with this document. Third parties have nine months from publication to file observations or opposition. Agricultural biotechnology companies and plant science researchers should review the claims to assess potential freedom-to-operate implications for anthracnose-resistant crop development programs.

Source document (simplified)

← EPO Patent Bulletin

CONSTRUCT FOR INDUCING SILENCING IN PLANTS AND METHOD FOR PROTECTING THEM AGAINST ANTHRACNOSE DISEASE

Publication EP4353740A1 Kind: A1 Mar 25, 2026

Applicants

Universidade de Évora

Inventors

DE QUEIROZ MATERATSKI, PATRICK JOSÉ, REIS VARANDA, CARLA MARISA, MURTEIRA RICO DA COSTA CAMPOS, MARIA DOROTEIA, CARDOSO PATANITA, MARIANA, BARRETO ALBUQUERQUE, ANDRÉ FILIPE, AMARO RIBEIRO, JOANA, FERNANDES FÉLIX, MARIA DO ROSÁRIO

IPC Classifications

C07K 14/37 20060101AFI20230810BHEP C12N 15/82 20060101ALI20230810BHEP

Designated States

AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, ME, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR

View original document →

Named provisions

Construct for Inducing Silencing in Plants Method for Protecting Plants Against Anthracnose Disease

Source

Analysis generated by AI. Source diff and links are from the original.

Classification

Agency
EPO
Published
March 25th, 2026
Instrument
Notice
Legal weight
Binding
Stage
Final
Change scope
Minor
Document ID
EP4353740A1

Who this affects

Applies to
Agricultural firms
Industry sector
1111 Crop Production 3254 Pharmaceutical Manufacturing
Activity scope
Patent Application Biotechnology Research
Geographic scope
European Union EU

Taxonomy

Primary area
Agriculture
Operational domain
Legal
Topics
Biotechnology Intellectual Property

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