Pathogen evolution: How good bacteria go bad
نویسندگان
چکیده
منابع مشابه
Pathogen evolution: How good bacteria go bad
Recent findings suggest that dysentery-causing Shigella strains have arisen several times from Escherichia coli via plasmid acquisition and phenotypic convergence. Similarly, three Bacillus strains with distinct pathogenic properties are derivatives of a single species whose behavior is profoundly altered by acquired plasmids.
متن کاملWhen good relationships go bad.
ycorrhizae are ancient, widespread associations between fungi and the roots of many species of plants. In these symbioses, the plants supply carbohydrates (the products of photosynthesis) to their fungal partners, which reciprocate by facilitating the uptake of mineral nutrients from the soil. In a reversal of the usual relationship , some non-photosynthetic plants — termed epiparasites — obtai...
متن کاملWhen Good Hues Go Bad
A psychophysical experiment was performed to determine the direction of least and most preferred color shifts for digital images. 360 images were subdivided into 18 hue regions. The pixels in each hue region were shifted eight directions in IPT color space, and observers were asked to classify which direction was least preferred, and which was most preferred. From these data preference maps wer...
متن کاملDealing with good intentions that go bad.
Q Several patients who had been receiving care at the same dental office recently transferred to our practice. Although their stories were slightly different, the results appeared to be the same. For example, 1 patient stated that she had seen a new dentist for her routine examination and cleaning, and the dentist found a cavity in her lower right molar as well as in several other teeth. After ...
متن کاملPlant Autoimmunity: When Good Things Go Bad.
A recent study finds that the Arabidopsis DM1 and DM2d proteins physically interact and trigger autoimmunity in plants. The DM1-DM2d interaction pattern differs from that of known immune receptor pairs, portraying the versatility in NLR functioning.
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Current Biology
سال: 2001
ISSN: 0960-9822
DOI: 10.1016/s0960-9822(01)00012-4