Hello Mr. Mejri,

To answer your question I would say that all members of the order Prorocentrales possess chloroplasts and that puts them technically in the gallery of autotrophs but possibility of facultative myxotrophy can't be ruled out as how will a desmokont react to absence of photosynthesis or an impaired photosynthetic gene/enzyme/apparatus depends mostly on the manner of the stress or the causing agents, the extent to which it can function optimally and also on the species itself. Superficially they are plastid bearing, but can they shift between autotrophy and myxotrophy?..may be yes...with that being said should they be tagged as myxotrophic?..may be not.

Regards

Dr. Abhishek Mukherjee

Hello, Prorocentrums is fed autotrophic or if there are enough organic substances and a mixotrophic. Depends on the amount of organic matter in your expirement.

Prorocentrum is both autotrophic and heterotrphic.

thank you very much for all your answers, i appreciate it and each response has an important point.

autotrophic and mixotrophic

All best

I generally agree on what other colleagues replied. To my understanding most species within the genus Prorocentrum (for instance P. minimum, P. micans) can be considered As constitutive mixotrophs or mixoplankton. By definition a constitutive mixoplankton is engaged in 1) obligate autotrophy for survival ( innate chloroplasts) 2) facultative phagotrophy on some prey (prokaryotes or other protists) when abiotic resource are limiting or unbalanced.

First of all, thank you very much for all your response,

As you have already said that the mixotrophy of P.micans and P. min has already been proved for now, I found few papers focused on this fact that I want to share it with all of you.

Thanks for you

Enjoy reading.