The phrase "agents of life" is correct and usable in written English.
It can be used to refer to entities or forces that contribute to the vitality or existence of living beings or ecosystems.
Example: "In the study of ecology, we often refer to plants and animals as agents of life, playing crucial roles in maintaining the balance of our environment."
Alternatives: "forces of nature" or "catalysts of existence".
Youle, M., Haynes, M. & Rohwer, F. in Viruses: Essential Agents of Life (ed. Witzany, G.) 61 81 (Springer Netherlands, 2012).
Smart, connected devices have been pitched to consumers as agents of life improvement.
We must be agents of life.
Hantaviruses are etiological agents of life-threatening hemorrhagic fever with renal syndrome and hantavirus cardiopulmonary syndrome.
Aspergillus species are important agents of life-threatening infections in immunosuppressed patients.
Especially in the severely immunocompromised host, such as patients after bone marrow or solid organ transplantation, these pathogens are well-know causative agents of life-threatening nosocomial infections [ 3- 5].
The vast majority of children in developing countries are infected with Streptococcus pneumoniae, Haemophilus influenzae type B and other aetiologic agents of life-threatening pneumonia: such nasopharyngeal carriage is mostly asymptomatic and correlates poorly with invasive disease [ 21, 22].
Bacteria belonging to the genus Cronobacter spp. have been recognized as causative agents of life-threatening systemic infections, primarily in premature, low-birth weight and/or immune-compromised neonates.
It is also the agent of life and death, one moment dispensing lethal bullets, but also likened to the life-giving qualities of sex.
Escherichia coli O157 H7 (EcO157), an agent of life threatening hemolytic-uremic syndrome, resides in ruminants and is released in feces at numbers as high as 10 million cells/gram.
Proportion of patients achieving target HbA1c, changes in oral hypoglycaemic agents, quality of life and patient satisfaction, persistence on insulin glargine, number of insulin dosage adjustments per patient and number of hypoglycaemic episodes.
