Heliorhodopsins are absent in diderm (Gram-negative) bacteria: Some thoughts and possible implications for activity

José Flores-Uribe, Gur Hevroni, Rohit Ghai, Alina Pushkarev, Keiichi Inoue, Hideki Kandori, Oded Béjà

نتاج البحث: نشر في مجلةمقالةمراجعة النظراء

ملخص

Microbial heliorhodopsins are a new type of rhodopsins, currently believed to engage in light sensing, with an opposite membrane topology compared to type-1 and type-2 rhodopsins. We determined heliorhodopsins presence/absence is monoderms and diderms representatives from the Tara Oceans and freshwater metagenomes as well as metagenome assembled genome collections. Heliorhodopsins are absent in diderms, confirming our previous observations in cultured Proteobacteria. We do not rule out the possibility that heliorhodopsins serve as light sensors. However, this does not easily explain their absence from diderms. Based on these observations, we speculate on the putative role of heliorhodopsins in light-driven transport of amphiphilic molecules.

اللغة الأصليةالإنجليزيّة
الصفحات (من إلى)419-424
عدد الصفحات6
دوريةEnvironmental Microbiology Reports
مستوى الصوت11
رقم الإصدار3
المعرِّفات الرقمية للأشياء
حالة النشرنُشِر - يونيو 2019

All Science Journal Classification (ASJC) codes

  • !!Ecology, Evolution, Behavior and Systematics
  • !!Agricultural and Biological Sciences (miscellaneous)

بصمة

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