迪基氏菌属 / 黑胫病来自美国

一月 25, 2024

New potato-threatening pathogens reported for first time in Pennsylvania, United States

Researchers of the Pennsylvania State University identified potential threats to the local potato crop by collecting potato stems or tubers that exhibited symptoms of black leg or soft rot from 26 potato fields. They were able to isolate, culture and identify 456 samples of bacteria infecting potatoes.

New Antibiotic Comes From a Pathogenic Bacterium in Potatoes

十月 24, 2022

New Antibiotic Solanimycin discovered in a Pathogenic Bacterium in Potatoes (Dickeya solani)

The growing threat of antimicrobial resistance has led researchers to search for new compounds everywhere. This week in mBio, a multinational team of researchers in Europe report the discovery of a new antifungal antibiotic named solanimycin.

Dickeya dianthicola is a serious bacterium that can cause tuber soft rot and blackleg (shown) in potatoes
(Courtesy: Government of Western Australia)

十二月 05, 2019

Online tool to detect blackleg disease in potato using DNA testing has widespread application

Scientists have developed a user-friendly online tool called Uniqprimer, which quickly and automatically designs species-specific DNA tags (also known as primers) for detecting pathogens such as Dickeya dianthicola using DNA testing.

Lakesh Sharma, assistant professor with the University of Maine Cooperative Extension and University of Maine Presque Isle, talks about trials using beneficial mycorrhizae fungi in potatoes at the Aroostook Research Farm in Presque Isle on August 8.(Cou

八月 12, 2018

Range of potato experiments underway at Maine Research Farm (Aroostook)

Farmers, researchers and members of the public gathered at the University of Maine’s Aroostook Research Farm in Presque Isle last Wednesday to learn about the latest in potato research.

Researchers from all over the world were in Bangor for the '2017 Dickeya and Pectobacterium Summit', organized by the University of Maine Extension.

十一月 17, 2017

Potato researchers gather in Maine to find solutions for the Blackleg disease

Researchers from all over the world were in Bangor for the '2017 Dickeya and Pectobacterium Summit', organized by the University of Maine Extension.

The bacterial pathogen Dickeya dianthicola causes a disease called blackleg where potato stems decay. The disease can kill growing plants within a few days.

六月 12, 2017

Colorado State University to study the spread of pathogens in US potato crops

Colorado U.S. Senators Michael Bennet and Cory Gardner this week announced that Colorado State University will receive $264,600 in funding from the U.S. Department of Agriculture (USDA) to study the spread of pathogens in U.S potato crops.

Microtuber potato cultivars used in research by the Wisconsin Seed Potato Certification Program inside an environmentally-controlled growth room at the Biotron Laboratory at UW–Madison. (Courtesy: Bryce Richter)

五月 09, 2017

From test tube to plate, UW–Madison program keeps potatoes clean

Years before that french fry landed on your plate, the plant that would eventually give rise to the spud your fry was cut from was sealed away deep in a secure-access building, growing slowly in a test tube inside a locked growth chamber.

Potato Plant wilting due to Dickeya (Courtesy: Cornell University)

七月 17, 2016

Dickeya Blackleg: New Potato Disease Causing Major Impact

Dickeya blackleg, often just called Dickeya, is a new disease in the United States. It was severe in 2015 at least partly reflecting hotter weather than previous 2 years when the pathogen likely was present and is developing again in 2016.