The phrase "a number of pathogenic" is correct and usable in written English.
It can be used when referring to multiple pathogenic organisms or agents, typically in a scientific or medical context.
Example: "In the study, we identified a number of pathogenic bacteria that contribute to the disease."
Alternatives: "several pathogenic" or "various pathogenic".
The aetiology of bladder pain syndrome (BPS) remains poorly understood, and a number of pathogenic mechanisms have been proposed.
A number of pathogenic bacterial strains, such as Staphylococcus aureus, are difficult to kill with conventional antibiotics due to intracellular persistence in host airway epithelium.
A number of pathogenic factors have been implicated in the progression of Parkinson׳s disease (PD), including oxidative stress, mitochondrial dysfunction, inflammation, excitotoxicity, and signals mediating apoptosis cascade.
In the present work, many extracts and fermentation of puffball were subjected to antimicrobial study against a number of pathogenic microorganism.
This system was further confirmed to be effective as a pathogenesis model using a number of pathogenic bacterial species.
However, these orally bioavailable drugs remain useful against a number of pathogenic organisms, most notably, methicillin resistant Stapholoccus aureus (MRSA) and Pneumocystis carinii (jirovecii) [9], [10].
Microbial quality of meat processing at slaughter is now one of the most public health concerns because of the frequent contamination with a numbers of pathogenic bacteria in meat products attributing to human infections [ 1].
These proteins, secreted by a number of non-pathogenic and pathogenic fungal species when interacting with plant or animal cells, are involved in cell wall biogenesis or degradation [ 25].
A number of different pathogenic fungi and bacteria cause the plant diseases.
Membrane cofactor protein CD46 is used as a cell receptor by a number of important pathogenic bacteria and viruses, including N. meningitidis [27].
A number of opportunistic pathogenic organisms including bacteria and fungi can occasionally gain entry into the human cardiovascular system, resulting in acute or chronic complications.
