The phrase "are now characterised" is correct and usable in written English.
It can be used to describe the current state or features of something, often in a formal or academic context.
Example: "The species are now characterised by their unique adaptations to the environment."
Alternatives: "are currently defined" or "are presently described".
This summer, I went home to Northampton, where even the main streets are now characterised by ephemeral shops that open and close within months, leaving in the abandoned doorways dead leaves, polystyrene cartons and broken glass.
That the Scottish nationalists are now characterised as unwelcome interlopers in the Palace of Westminster is an example of political double standards which makes the British public question further whose interests our politicians are serving.
But it was with Dayereh (The Circle) (2000), an absolute masterpiece, that the world noticed Panahi was up to something entirely distinct from what was now characterised as Iranian cinema.
Where once sharia was an organic and evolving body of law, emphasising mercy, tolerance and inclusiveness, it is now characterised as an instrument of control by post-colonial Muslim rulers searching for identity.
Mr Mansfield said he would be seeking to call fresh evidence from a medical expert who, from an examination of the documents, believed Ellis was suffering from what was now characterised as "battered woman syndrome".
However, the Occupy movement is certainly far from over; it is now characterised by a diffusion of general assemblies, vibrant local discussions and ongoing protests on a range of issues.
Research into probability judgements is now characterised by a focus on the idea that intuitive processes are often used to solve probabilistic tasks and variance in performance is to be attributed to the individuals' ability to select the relevant information from competing stimuli [ 36].
The patterns of bleeding with different methods are now well characterised, but in spite of a substantial amount of recent research we still do not clearly understand the actual mechanisms underlying these disturbances.
The volatile emission kinetics of the complete set of strains are now being characterised in order to identify volatile compounds/mixtures that promote B. distachyon growth.
While the genes associated with immunity are now being characterised in other insect genomes [ 7, 8], these additional exemplars do not yet span the diversity of Arthropoda.
Although the immunological mechanisms behind this gender difference are now partially characterised the host factors that determine the gender bias are poorly understood.
