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This eBook is a collection of articles from a Frontiers Research Topic. Frontiers Research Topics are very popular trademarks of the Frontiers Journals Series: they are collections of at least ten articles, all centered on a particular subject. With their unique mix of varied contributions from Original Research to Review Articles, Frontiers Research Topics unify the most influential researchers, the latest key findings and historical advances in a hot research area! Find out more on how to host your own Frontiers Research Topic or contribute to one as an author by contacting the Frontiers Editorial Office: frontiersin.org/about/contact

Foodborne bacterial pathogen --- resurgence --- Pathogenesis --- Control

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This eBook is a collection of articles from a Frontiers Research Topic. Frontiers Research Topics are very popular trademarks of the Frontiers Journals Series: they are collections of at least ten articles, all centered on a particular subject. With their unique mix of varied contributions from Original Research to Review Articles, Frontiers Research Topics unify the most influential researchers, the latest key findings and historical advances in a hot research area! Find out more on how to host your own Frontiers Research Topic or contribute to one as an author by contacting the Frontiers Editorial Office: frontiersin.org/about/contact

Science: general issues --- Medical microbiology & virology --- Microbiology (non-medical) --- Foodborne bacterial pathogen --- resurgence --- Pathogenesis --- Control

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All parts of our body having communication with the external environment such as the skin, vagina, the respiratory tract or the gastrointestinal tract are colonized by a specific microbial community. The colon is by far the most densely populated organ in the human body. The pool of microbes inhabiting our body is known as “microbiota” and their collective genomes as “microbiome”. These microbial ecosystems regulate important functions of the host, and their functionality and the balance among the diverse microbial populations is essential for the maintenance of a “healthy status”. The impressive development in recent years of next generation sequencing (NGS) methods have made possible to determine the gut microbiome composition. This, together with the application of other high throughput omic techniques and the use of gnotobiotic animals has greatly improved our knowledge of the microbiota acting as a whole. In spite of this, most members of the human microbiota are largely unknown and remain still uncultured. The final functionality of the microbiota is depending not only on nutrient availability and environmental conditions, but also on the interrelationships that the microorganisms inhabiting the same ecological niche are able to establish with their partners, or with their potential competitors. Therefore, in such a competitive environment microorganisms have had to develop strategies allowing them to cope, adapt, or cooperate with their neighbors, which may imply notable changes at metabolic, physiological and genetic level. The main aim of this Research Topic was to contribute to better understanding complex interactions among microorganisms residing in human microbial habitats.All parts of our body having communication with the external environment such as the skin, vagina, the respiratory tract or the gastrointestinal tract are colonized by a specific microbial community. The colon is by far the most densely populated organ in the human body. The pool of microbes inhabiting our body is known as “microbiota” and their collective genomes as “microbiome”. These microbial ecosystems regulate important functions of the host, and their functionality and the balance among the diverse microbial populations is essential for the maintenance of a “healthy status”. The impressive development in recent years of next generation sequencing (NGS) methods have made possible to determine the gut microbiome composition. This, together with the application of other high throughput omic techniques and the use of gnotobiotic animals has greatly improved our knowledge of the microbiota acting as a whole. In spite of this, most members of the human microbiota are largely unknown and remain still uncultured. The final functionality of the microbiota is depending not only on nutrient availability and environmental conditions, but also on the interrelationships that the microorganisms inhabiting the same ecological niche are able to establish with their partners, or with their potential competitors. Therefore, in such a competitive environment microorganisms have had to develop strategies allowing them to cope, adapt, or cooperate with their neighbors, which may imply notable changes at metabolic, physiological and genetic level. The main aim of this Research Topic was to contribute to better understanding complex interactions among microorganisms residing in human microbial habitats.

bacterial-pathogen infection --- Quorum Sensing --- Bifidobacterium --- Short Chain Fatty Acids --- Biofilm --- gnotobiotic mice --- breast milk --- human microbiota --- Bacteroides

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Honey is a very complex food that requires multiple analytical, statistical and mathematical methods to guarantee honey authentication. This Special Issue contains innovative research on different analytical procedures for the determination of chemical compounds, functional properties, sensory characteristics and pollen profiles for the interpretation of the botanical and geographical origin of honey. This book compiles twelve original studies that address these issues and improve the knowledge of honeys of multiple botanical and geographical origins.

Research & information: general --- Biology, life sciences --- honey --- authentication --- physicochemical parameters --- PCA --- characterization --- Algerian honey --- botanical origin --- biogeographical origin --- safflower (Carthamus tinctorius L.) honey --- chemical analysis --- anti-inflammatory --- antioxidant --- NF-κB --- Nrf-2 --- hydrogen peroxide --- functional food --- bacterial pathogen --- commercial honey --- quality standard --- Babors Kabylia --- sensorial properties --- melissopalynology --- quality parameters --- multivariate analysis --- quality control --- NIR --- modified partial least squares --- linear discriminant analysis --- Silicoflagellata --- diatoms --- pollen --- spores --- autumn heather honey --- Erica manipuliflora Salisb. --- volatiles --- gas chromatography-mass spectrometry --- solid-phase microextraction --- optimization --- response surface methodology --- polyphenols --- phenolic profile --- total phenolic content --- antioxidant activity --- liquid chromatography --- tandem mass spectrometry --- principal components analysis --- light stable isotope mass spectrometry --- ultra-high performance liquid chromatography --- high resolution mass spectrometry --- nuclear magnetic resonance --- principal component analysis --- floral origins --- entomological origin --- mitochondrial DNA --- NADH dehydrogenase 2 --- PCR --- honeydew --- pine honey --- sensory evaluation --- bioactivity --- antimicrobial --- n/a

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Honey is a very complex food that requires multiple analytical, statistical and mathematical methods to guarantee honey authentication. This Special Issue contains innovative research on different analytical procedures for the determination of chemical compounds, functional properties, sensory characteristics and pollen profiles for the interpretation of the botanical and geographical origin of honey. This book compiles twelve original studies that address these issues and improve the knowledge of honeys of multiple botanical and geographical origins.

Research & information: general --- Biology, life sciences --- honey --- authentication --- physicochemical parameters --- PCA --- characterization --- Algerian honey --- botanical origin --- biogeographical origin --- safflower (Carthamus tinctorius L.) honey --- chemical analysis --- anti-inflammatory --- antioxidant --- NF-κB --- Nrf-2 --- hydrogen peroxide --- functional food --- bacterial pathogen --- commercial honey --- quality standard --- Babors Kabylia --- sensorial properties --- melissopalynology --- quality parameters --- multivariate analysis --- quality control --- NIR --- modified partial least squares --- linear discriminant analysis --- Silicoflagellata --- diatoms --- pollen --- spores --- autumn heather honey --- Erica manipuliflora Salisb. --- volatiles --- gas chromatography-mass spectrometry --- solid-phase microextraction --- optimization --- response surface methodology --- polyphenols --- phenolic profile --- total phenolic content --- antioxidant activity --- liquid chromatography --- tandem mass spectrometry --- principal components analysis --- light stable isotope mass spectrometry --- ultra-high performance liquid chromatography --- high resolution mass spectrometry --- nuclear magnetic resonance --- principal component analysis --- floral origins --- entomological origin --- mitochondrial DNA --- NADH dehydrogenase 2 --- PCR --- honeydew --- pine honey --- sensory evaluation --- bioactivity --- antimicrobial --- honey --- authentication --- physicochemical parameters --- PCA --- characterization --- Algerian honey --- botanical origin --- biogeographical origin --- safflower (Carthamus tinctorius L.) honey --- chemical analysis --- anti-inflammatory --- antioxidant --- NF-κB --- Nrf-2 --- hydrogen peroxide --- functional food --- bacterial pathogen --- commercial honey --- quality standard --- Babors Kabylia --- sensorial properties --- melissopalynology --- quality parameters --- multivariate analysis --- quality control --- NIR --- modified partial least squares --- linear discriminant analysis --- Silicoflagellata --- diatoms --- pollen --- spores --- autumn heather honey --- Erica manipuliflora Salisb. --- volatiles --- gas chromatography-mass spectrometry --- solid-phase microextraction --- optimization --- response surface methodology --- polyphenols --- phenolic profile --- total phenolic content --- antioxidant activity --- liquid chromatography --- tandem mass spectrometry --- principal components analysis --- light stable isotope mass spectrometry --- ultra-high performance liquid chromatography --- high resolution mass spectrometry --- nuclear magnetic resonance --- principal component analysis --- floral origins --- entomological origin --- mitochondrial DNA --- NADH dehydrogenase 2 --- PCR --- honeydew --- pine honey --- sensory evaluation --- bioactivity --- antimicrobial