Microbiota of edible Liometopum apiculatum ant larvae reveals potential functions related to their nutritional value

González-Escobar, Jorge L.; Grajales‐Lagunes, A.; Smoliński, Adam; Chagolla-López, Alicia; León‐Rodríguez, Antonio De; Rosa, Ana Paulina Barba de la

doi:10.1016/j.foodres.2018.04.049

Cited by 13 publications

(4 citation statements)

References 52 publications

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“…For experiments E1 to E4, a decrease in this activity was observed at 30 days; at 45 days, however, an increase was observed. This behaviour may be due to the fact that the microbiota present can produce active enzymes capable of degrading biomolecules (González Escobar et al ., 2018). In the experiments E5 to E16, proteolytic activity was not determined because of samples' degradation (Fig.…”

Section: Resultsmentioning

confidence: 99%

Use of hurdle technology to extend the shelf life of escamoles (Liometopum apiculatum Mayr)

Ramirez‐Garcia¹,

Ruiz-Cabrera²,

Abud‐Archila

et al. 2022

Int J of Food Sci Tech

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The aim of this study was to evaluate the effect of combining techniques such as blanching time, pH and a w reduction on microbiological growth and enzymatic activity to increase the shelf life of fresh escamoles. A completely randomised factorial design with three factors (a w , pH and blanching time) and two different levels per factor was created to obtain the preservative conditions based on the microbiological growth and enzymatic activity of escamoles. The results indicated that the experimental conditions of a w , pH and blanching time were 0.90, 5 and 10 or 15 s, respectively, with reduced microbial growth and proteolytic activity, which allowed significantly increasing the escamoles' shelf life from 4 to 45 days under refrigeration at 4°C. Therefore, it is feasible to use this methodology for the preservation of this product in order to resemble fresh, microbiologically safe escamoles.

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Section: Resultsmentioning

confidence: 99%

Use of hurdle technology to extend the shelf life of escamoles (Liometopum apiculatum Mayr)

Ramirez‐Garcia¹,

Ruiz-Cabrera²,

Abud‐Archila

et al. 2022

Int J of Food Sci Tech

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“…However, the extent and richness of such interactions only recently began to be revealed, lagging several decades behind termite investigations in this context. Nevertheless, associations with potential diazotrophs were demonstrated in several ant groups (van Borm et al ., ; Eilmus & Heil, ; Pinto‐Tomas et al ., ; Russell et al ., ; Anderson et al ., ; Sapountzis et al ., ; Gonzalez‐Escobar et al ., ), including acacia ants (genus Pseudomyrmex ), slender ants (genus Tetraponera ), turtle ants (tribe Cephalotini), and leafcutter ants (genera Atta and Acromyrmex ). In particular, several herbivorous ant groups were shown to associate with bacteria of the order Rhizobiales that includes well‐known plant‐growth‐promoting rhizobacteria (see Box 2 and Table S1), Nevertheless, acetylene reduction could not be detected in several species of Cephalotes ants tested (Russell et al ., ; Hu et al ., ).…”

Section: Evidence Of Biological Nitrogen Fixation In Insectsmentioning

confidence: 99%

What do we know about biological nitrogen fixation in insects? Evidence and implications for the insect and the ecosystem

Bar-Shmuel

Behar²,

Segoli

2019

Insect Science

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Many insects feed on a low-nitrogen diet, and the origin of their nitrogen supply is poorly understood. It has been hypothesized that some insects rely on nitrogen-fixing bacteria (diazotrophs) to supplement their diets. Nitrogen fixation by diazotrophs has been extensively studied and convincingly demonstrated in termites, while evidence for the occurrence and role of nitrogen fixation in the diet of other insects is less conclusive. Here, we summarize the methods to detect nitrogen fixation in insects and review the available evidence for its occurrence (focusing on insects other than termites). We distinguish between three aspects of nitrogen fixation investigations: (i) detecting the presence of potential diazotrophs; (ii) detecting the activity of the nitrogen-fixing enzyme; and (iii) detecting the assimilation of fixed nitrogen into the insect tissues. We show that although evidence from investigations of the first aspect reveals ample opportunities for interactions with potential diazotrophs in a variety of insects, demonstrations of actual biological nitrogen fixation and the assimilation of fixed nitrogen are restricted to very few insect groups, including wood-feeding beetles, fruit flies, leafcutter ants, and a wood wasp. We then discuss potential implications for the insect's fitness and for the ecosystem as a whole. We suggest that combining these multiple approaches is crucial for the study of nitrogen fixation in insects, and argue that further demonstrations are desperately needed in order to determine the relative importance of diazotrophs for insect diet and fitness, as well as to evaluate their overall impact on the ecosystem.

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“…These results demonstrate the existence of CSP genes not only in Eukaryotes, in arthropods and insects, in winged insects such as moths and in wingless insects such as head and body lice, but also in Prokaryotes, microbial systems, and their expression in many various bacterial strains from E. coli to A. baumannii, therefore across many different types or genera of bacteria, known for severe infectious diseases in human. Interestingly, most of all these bacterial species (Moraxella, Staphylococcus, Streptomyces, Enterobacter and Xanthomonadales) that house CSPs are also known as symbionts of the insect gut [50,51,52,53,54]. The gut microbiota plays crucial roles in many various physiological systems such as the growth, development, detoxification, nutrition, immune response and environmental adaptation to insect hosts [55].…”

Section: Expression Of Chemosensory Protein (Csp) Structures In Pedicmentioning

confidence: 99%

Expression of Chemosensory Protein (CSP) Structures in Pediculus humanis corporis and Acinetobacter baumannii

Liu¹,

Yue²,

Rajashekar³

et al. 2019

SOJMID

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We parsed the microbial genome database using Bombyx mori chemosensory proteins (BmorCSPs) as templates. We extracted eleven bacterial CSPs (B-CSPs) from various microorganisms such as Kitasatospora griseola, K. purpeofusca, K. CB01950, K. MBT66, Escherichia coli, Macrococcus caseolyticus and Acinetobacter baumannii, a known infectious prokaryotic symbiont of various insects, particularly the human body louse. We then parsed the body louse Pediculus humanis corporis genomic database for CSPs. We found six P. humanis corporis (Phum) CSPs all grouped in the same gene cluster. Sequence alignment, structure modeling and phylogenetic analysis of CSP proteins in bacteria and insects reveal duplication, conservation, gene loss, but also diversification and neofunctionalization that took place at a common stage in this ancestral gene family. Phylogenetic analysis of the amino acid sequences also reveals association of CSPs with other prokaryotic gene families, mainly enzymes and secondary metabolites transporters. Their ability to bind lipids and their proved existence and diversity in infectious bacterial prokaryote systems strongly argue for some important general functions in the cellular metabolism process.

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Microbiota of edible Liometopum apiculatum ant larvae reveals potential functions related to their nutritional value

Cited by 13 publications

References 52 publications

Use of hurdle technology to extend the shelf life of escamoles (Liometopum apiculatum Mayr)

Use of hurdle technology to extend the shelf life of escamoles (Liometopum apiculatum Mayr)

What do we know about biological nitrogen fixation in insects? Evidence and implications for the insect and the ecosystem

Expression of Chemosensory Protein (CSP) Structures in Pediculus humanis corporis and Acinetobacter baumannii

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