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doi:10.7551/mitpress/8876.003.0036

Cited by 9 publications

(5 citation statements)

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“…Having the POTRA domains positioned below the PG layer could help in achieving the proximity between chaperons and the BAM complex. The POTRA domains, in fact, are flexible [30][31][32] and each domain is 2 nm in width (PDB: 3EFC and 1M5Y), so they can freely diffuse through the PG. In support, recent studies revealed a super-complex, spanning from the IM to the OM, that involved the BAM machinery (BamA and BamB), the periplasmic chaperon SurA, the IM translocon (SecYEG), and its accessory interactors (PpiD, SecA or SecDF and YidC) [33,34].…”

Section: Discussionmentioning

confidence: 99%

The Escherichia coli Outer Membrane β-Barrel Assembly Machinery (BAM) Anchors the Peptidoglycan Layer by Spanning It with All Subunits

Consoli

Collet

Blaauwen

2021

IJMS

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Gram-negative bacteria possess a three-layered envelope composed of an inner membrane, surrounded by a peptidoglycan (PG) layer, enclosed by an outer membrane. The envelope ensures protection against diverse hostile milieus and offers an effective barrier against antibiotics. The layers are connected to each other through many protein interactions. Bacteria evolved sophisticated machineries that maintain the integrity and the functionality of each layer. The β-barrel assembly machinery (BAM), for example, is responsible for the insertion of the outer membrane integral proteins including the lipopolysaccharide transport machinery protein LptD. Labelling bacterial cells with BAM-specific fluorescent antibodies revealed the spatial arrangement between the machinery and the PG layer. The antibody detection of each BAM subunit required the enzymatic digestion of the PG layer. Enhancing the spacing between the outer membrane and PG does not abolish this prerequisite. This suggests that BAM locally sets the distance between OM and the PG layer. Our results shed new light on the local organization of the envelope.

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Section: Discussionmentioning

confidence: 99%

The Escherichia coli Outer Membrane β-Barrel Assembly Machinery (BAM) Anchors the Peptidoglycan Layer by Spanning It with All Subunits

Consoli

Collet

Blaauwen

2021

IJMS

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“…Printing high-performance flexible strain and temperature sensors has received a significant surge of interest with diverse applications from epidermal sensors to structural health monitoring systems. , Direct printing techniques such as screen printing, inkjet printing, and aerosol jet printing have attracted tremendous attention due to their abilities to directly convert nanoscale materials into functional devices. Simultaneous sensing of multiple physical quantities is of high value, which allows fabrication of smart human–machine interfaces, soft robotics, and real-time state monitoring of materials degradation and operation conditions in numerous applications. ,− Significant progresses on printed sensors with a single sensing modality such as strain, ,− temperature, − and pressure − have been made, while sensors with dual or multisensing capabilities remain a challenge due to the complexity of both fabrication processes and decoupling of multiple interfered signals. − Multimodal sensors require harmonious integration of multiple sensing materials and intimate coupling with the system or physical environment in which the sensor is operating, highlighting the need of implementing novel materials and versatile manufacturing methods for producing multimodal sensors.…”

Section: Introductionmentioning

confidence: 99%

All-Printed MXene–Graphene Nanosheet-Based Bimodal Sensors for Simultaneous Strain and Temperature Sensing

Saeidi‐Javash

Zeng

et al. 2021

ACS Appl. Electron. Mater.

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Multifunctional sensors with integrated multiple sensing capabilities have enormous potential for in situ sensing, structural health monitoring, and wearable applications. However, the fabrication of multimodal sensors typically involves complex processing steps, which limit the choices of materials and device form factors. Here, an aerosol jet printed flexible bimodal sensor is demonstrated by using graphene and Ti 3 C 2 T x MXene nanoinks. The sensor can detect strain by measuring a change in the AC resistive voltage while simultaneously monitoring temperature by detecting the DC Seebeck voltage across the same printed device pattern. The printed bimodal sensor not only expands the sensing capability beyond conventional single-modality sensors but also provides improved spatial resolution utilizing the microscale printed patterns. The printed temperature sensor shows a competitive thermopower output of 53.6 μV/°C with ultrahigh accuracy and stability during both steady-state and transient thermal cycling tests. The printed sensor also demonstrates excellent flexibility with negligible degradations after 1000 bending cycles. The aerosol jet printing and integration of nanomaterials open many opportunities to design and manufacture multifunctional devices for a broad range of applications.

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“…With the global population estimated to exceed 9 billion by 2050, a 1.6% annual increase in wheat production has been expected to satisfy the increasing population, with the projection of an enhanced yield from 3 to 5 tons/ha (Tilman et al, 2002;Singh et al, 2016). However, climate change and disease occurrence are threatening wheat productivity (Price et al, 2013;Curtis and Halford, 2014;Lobell, 2019). Powdery mildew is a devastating foliar disease of wheat especially in regions with a cool, maritime climate.…”

Section: Introductionmentioning

confidence: 99%

Molecular Cytogenetic Identification of a Novel Wheat–Thinopyrum ponticum 1JS (1B) Substitution Line Resistant to Powdery Mildew and Leaf Rust

Wang

Liu

et al. 2021

Front. Plant Sci.

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Thinopyrum ponticum (2n = 10x = 70) is a wild relative of wheat with high tolerance to both biotic and abiotic stresses; it has been wildly used in wheat genetic improvement. A disomic substitution line named SN19647 was derived from a cross between Triticum aestivum and the wheat–Th. ponticum partial amphiploid SNTE20 (2n = 8x = 56). It was evaluated for disease resistance and characterized via sequential fluorescence in situ hybridization (FISH)-genomic in situ hybridization (GISH) and molecular markers. The results showed that SN19647 carried resistance to both powdery mildew and leaf rust. It contained 42 chromosomes with a pair of wheat chromosome 1B replaced by a pair of JS chromosomes from Th. ponticum. In addition to chromosomal substitution events, structural variation also occurred on wheat chromosomes 2A, 5A, 6B, and 7B. Based on marker analysis, 19 markers specific to the JS chromosome were obtained, of which seventeen markers belonged to homoeologous group one. These results indicated that SN19647 was a 1JS (1B) substitution line. Compared with the known 1JS (1D) substitution line CH10A5, it was found that 17 markers generated different specific bands to Th. ponticum, confirming the novelty of the 1JS chromosome in SN19647. Therefore, SN19647, resistant to powdery mildew and leaf rust, was a novel 1JS (1B) substitution line that can be used in wheat genetic improvement.

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References and Notes

Cited by 9 publications

References 0 publications

The Escherichia coli Outer Membrane β-Barrel Assembly Machinery (BAM) Anchors the Peptidoglycan Layer by Spanning It with All Subunits

The Escherichia coli Outer Membrane β-Barrel Assembly Machinery (BAM) Anchors the Peptidoglycan Layer by Spanning It with All Subunits

All-Printed MXene–Graphene Nanosheet-Based Bimodal Sensors for Simultaneous Strain and Temperature Sensing

Molecular Cytogenetic Identification of a Novel Wheat–Thinopyrum ponticum 1JS (1B) Substitution Line Resistant to Powdery Mildew and Leaf Rust

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