Microbe

Michele Swanson, Gemma Reguera, Moselio Schaechter, ... [et. al.]

2nd ed.

Washington, DC : ASM Press, cop. 2016

p. 716

This potent toxin is sufficient to induce profuse watery diarrhea in humans and in rabbit models of disease (Fig. 26.5).

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p. 145

Thus, fermentative microbes face a big problem: how to achieve redox balance. This feat is achieved by passing most of the hydrogen atoms from NADH first to pyruvate, the final product of the glycolytic pathway, and then to some compound derived from it.

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p. 149

The affinity of electron acceptors for the electrons (aka, their redox or reduction potential) can be used to align them hierarchially on a "redox tower", with the more electropositive potentials corresponding to those electron acceptors that have a greater affinity for the electron (Fig. 6.11).

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p. 352

Let us consider now the opposite situation, when a repellent, rather than a chemoattracant, binds to a chemoreceptor (Fig. 12.16).

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p. 688

Pathogens that establish their replication niche within host cells provide distinct challenges to both the host and the biomedical community.

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p. 631

Bacteria not firmly attached to the tissue walls are no match for the beating of respiratory cilia, the vehemence of peristalsis, or the torrential flow of urine.

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p. 214-215

But, as the replicating forks move, the RNA primers in the hybrid RNA-DNA stretches are removed by two enzymes: ribonuclease H (RNase H) and a versatile DNA polymerase called DNA polymerase I or Pol I.

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p. 321

The binding sequences in the mRNAs, collectively known as riboswitches, are commonly found in the 5' untranslated region of the mRNAs.

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p. 714

Nearly 80% of cholera patients who do not receive medical care die from dehydration after discharging voluminous watery diarrhea flecked with mucus -"rice water stools" (Fig. 26.1).

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p. 592

These organisms, often referred to as rickettsiae-like endosymbionts (or RLE), are believed to have emerged before the ancestors of present-day rickettsiae.

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p. 14

The "ring of life" tree reconciles the genomic data by placing the Bacteria and Archaea as the two primary and ancient lineages evolved from a common ancestor. The eukaryotes are no longer a separate domain, by a hybrid group evolved from the Bacteria and Archaea groups after their diversification had already begun.

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p. 592

These organisms, often referred to as rickettsiae-like endosymbionts (or RLE), are believed to have emerged before the ancestors of present-day rickettsiae.

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p. 507

How do viroids cause disease? The answer isn't yet clear, but one possibility that has gained favor involves RNA silencing. Some small RNAs of viroids may target host mRNA or DNA to alter the host's gene expression.

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p. 208

The simplicity of RNAs and the ability of some to catalyze their own replication suggest to many that an "RNA world" preceded the formation of proteins and DNA.

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p. 214-215

But, as the replicating forks move, the RNA primers in the hybrid RNA-DNA stretches are removed by two enzymes: ribonuclease H (RNase H) and a versatile DNA polymerase called DNA polymerase I or Pol I.

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p. 285

During the infection, the circular phage uses the rolling-circle mechanism, a replicative process described for some plasmids in which one of the strands of the circular DNA is cut and separated to allow the circular strand to replicate; the cut strand is then resealed and replicated.

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p. 40-41

Some bacteria have what is known as rough LPS, a type of LPS that lacks the O antigen and is, as a result, more hydrophobic than the smooth LPS varieties, which carry the O antigen portion.

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p. 735

RscA regulatory protein [...] Represses expression of a cyclic di-GMP synthetase gene

El context és en una taula.

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