Maternal-infant antibiotic resistance genes transference: what do we know?

Resistance to antibiotics is becoming a worldwide threat as infections caused by multidrug-resistant pathogenic microorganisms can overcome antibiotic treatments and spread quickly in the population. In the context of early life, newborns are at increased risk as their immune system is still under development, so infections and acquisition of resistance during childhood have short- and long-term consequences for the health. The moment of birth is the first exposure of infants to possible antibiotic-resistant microorganisms that may colonize their gut and other body sites. Different factors including mode of delivery, previous antibiotic exposure of the mother, gestational age and consumption of antibiotics in early-life have been described to modulate the neonate's microbiota, and thus, the resistome. Other factors, such as lactation, also impact the establishment and development of gut microbiota, but little is known about the role of breastmilk in transferring Antibiotic Resistant Genes (ARG). A deeper understanding of vertical transmission of antibiotic resistance from mothers to their offspring is necessary to determine the most effective strategies for reducing antibiotic resistance in the early life. In this review, we aim to present the current perspective on antibiotic resistances in mother-infant dyads, as well as a new insight on the study of the human gut and breastmilk resistome, and current strategies to overcome this public health problem, toward highlighting the gaps of knowledge that still need to be closed.

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Bibliographic Details
Main Authors: Samarra, Anna, Esteban Torres, María, Cabrera-Rubio, Raúl, Bernabeu, Manuel, Arboleya, Silvia, Gueimonde Fernández, Miguel, Collado, María Carmen
Other Authors: Agencia Estatal de Investigación (España)
Format: artículo de revisión biblioteca
Language:English
Published: Taylor & Francis 2023-04-05
Subjects:Antibiotics, Breastmilk, Gut, Infant, Microbiota, Mother, Pregnancy, Resistome, http://metadata.un.org/sdg/3, Ensure healthy lives and promote well-being for all at all ages,
Online Access:http://hdl.handle.net/10261/308214
http://dx.doi.org/10.13039/501100011033
http://dx.doi.org/10.13039/501100000780
http://dx.doi.org/10.13039/501100003359
https://api.elsevier.com/content/abstract/scopus_id/85151778142
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