动物的生存取决于它们在周围环境中识别威胁的能力。嗅觉,视觉和味觉等感官在取样其生活环境中起着至关重要的作用,包括微生物,其中一些是潜在的致病性。本研究的重点是果蝇味道系统检测细菌的机制。我们证明,形成细菌细胞壁的肽聚糖(PGN)在被成年流量的阵风系统检测时会触发立即进食的厌恶反应。尽管我们将ppk23+和GR66A+脾性神经元视为对PGN的反应的必要性,但我们证明它们在此过程中起着非常不同的作用。时间控制的功能灭活和体内钙成像表明,虽然成年浮球中需要PPK23+神经元直接传播PGN信号,但GR66A+神经元必须在幼虫中起作用才能使未来的成年人变得PGN敏感。此外,当成年流量从轴承条件下饲养的幼虫孵化时,损失了成年浮球对细菌PGN的反应。无菌幼虫的再殖民化,而不是成年人,具有单一细菌的Brevis乳杆菌,是恢复成年人对PGN做出反应能力的足够的能力。我们的数据表明,幼虫的遗传和环境特征对于使未来的成年人有能力应对某些感觉刺激(例如PGN)至关重要。
肽聚糖(PGN)和相关的表面结构(例如次级聚合物和胶囊)在细菌生理学中具有核心作用。外骨骨骼PGN异聚物是细胞形状的主要决定因素,可使细菌承受细胞质颤音压力。因此,需要高度调节其在细胞生长和分裂过程中的组装,膨胀和重塑,以避免损害细胞存活。同样,组装的调节会影响细菌细胞的形状;不同的形状可以增强不同生态壁ches(例如宿主)中的拟合度。由于细菌细胞壁成分,尤其是PGN,暴露于环境和细菌所特有的环境中,因此在真核生物进化过程中,这些成分已依靠细菌来检测细菌。此外,细胞壁在宿主和微生物之间对话框中的重要信号分子和许多宿主反应的目标中成为重要的信号分子。数百万年的协同进化已导致PGN片段在塑造宿主生理学和建立持久的微生物和宿主之间的持久性共生方面发挥了关键作用。因此,此对话的扰动可能导致诸如慢性炎症疾病之类的病理。同样,病原体制定了复杂的策略来操纵系统以增强其生存和生长。
肽聚糖识别蛋白1,也称为肽聚糖识别蛋白短,PGRP-S,PGLYRP1,PGLYRP,PGLYRP,PGRP和TNFSF3L,是一种分泌的蛋白质,是一种属于当时的乙酰乙酰氨基酰酰酰酰酰酰酰酰属丙氨酸氨基胺2家族。pglyrp1 / pglyrp在骨髓中高度表达。它在肾脏,肝脏,小肠,脾脏,胸腺,外周白细胞,肺,胎儿,胎儿脾脏和中性粒细胞中弱表达。pGlyrp1 / pGlyRP是一种与革兰氏阳性细菌的肽肽糖(PGN)结合的模式受体。它具有杀菌活性对革兰氏阳性细菌。pGlyRP1 / pGlyRP可能会干扰肽聚糖的生物合成来杀死革兰氏阳性细菌。它也与革兰氏阴性细菌结合,并具有抑菌活性对革兰氏阴性细菌。肽聚糖识别蛋白(PGRP或PGLYRP)是先天免疫蛋白,从昆虫到哺乳动物保守,识别细菌肽聚糖,并在抗菌免疫和炎症中起作用。哺乳动物具有四个PGRP:PGLYRP1,PGLYRP2,PGLYRP3和PGLYRP4。它们是分泌的蛋白质,在多形核白细胞(PGLYRP1),肝脏(PGLYRP2)或身体表面,粘膜和分泌物(唾液,汗水)中表达(PGLYRP3和PGLYRP4)。所有PGRP都识别细菌肽聚糖。PGRP可能在抗菌防御和几种炎症性疾病中发挥作用。它们调节组织中局部炎症反应(例如关节炎),并且有证据表明PGRP与炎症性疾病(如牛皮癣)相关。
13.1。Introduction & requirements ............................................................................................ 84 13.2.Raymarine MFD Integration ............................................................................................ 85 13.2.1.Introduction ..................................................................................................... 85 13.2.2.Compatibility .................................................................................................... 85 13.2.3.Wiring ........................................................................................................... 85 13.2.4.GX device configuration ....................................................................................... 86 13.2.5.Configuring multiple battery measurements ................................................................ 86 13.2.6.Installation step-by-step ....................................................................................... 86 13.2.7.NMEA 2000 .................................................................................................... 87 13.2.8.Generic and supported PGNs ................................................................................ 87 13.2.9.Instancing requirements when using Raymarine ........................................................... 87 13.2.10.Before LightHouse 4.1.75 ................................................................................... 87 13.2.11.LightHouse 4.1.75 and newer ............................................................................... 88 13.3.Navico MFD Integration ................................................................................................. 88 13.3.1.Introduction ..................................................................................................... 88 13.3.2.Compatibility .................................................................................................... 88 13.3.3.Wiring ........................................................................................................... 89 13.3.4.GX device configuration ....................................................................................... 89 13.3.5.Configuring multiple battery measurements ................................................................ 89 13.3.6.逐步安装................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 90 13.3.7。NMEA 2000 .................................................................................................... 90 13.3.8.Generic and supported PGNs ................................................................................ 90 13.3.9.Troubleshooting ................................................................................................ 91 13.4.Garmin MFD Integration ................................................................................................ 91 13.4.1.Introduction ..................................................................................................... 91 13.4.2.Compatibility .................................................................................................... 91 13.4.3.Wiring ........................................................................................................... 91 13.4.4.GX device configuration ....................................................................................... 92 13.4.5.Configuring multiple battery measurements ................................................................ 93 13.4.6.Installation step-by-step ....................................................................................... 93 13.4.7.NMEA 2000 .................................................................................................... 93 13.4.8.Generic and supported PGNs ................................................................................ 94 13.5.Furuno MFD Integration ................................................................................................. 94 13.5.1.简介....................................................................................................................................................................................................................................................................................................................................................................................................................................... 94 13.5.2。Compatibility .................................................................................................... 94 13.5.3.Wiring ........................................................................................................... 94 13.5.4.Configuration ................................................................................................... 94 13.5.5.Configuring multiple battery measurements ................................................................ 95 13.5.6.NMEA 2000 .................................................................................................... 96 13.5.7.通用和支持的PGN ..................................................................................................................................................................................................................................................................... 96
13.1。Introduction & requirements ............................................................................................ 87 13.2.Raymarine MFD Integration ............................................................................................ 88 13.2.1.Introduction ..................................................................................................... 88 13.2.2.Compatibility .................................................................................................... 88 13.2.3.Wiring ........................................................................................................... 88 13.2.4.GX device configuration ....................................................................................... 89 13.2.5.配置多个电池测量值............................................................................................................................................................................................................................................................................................................................. 89 13.2.6。Installation step-by-step ....................................................................................... 89 13.2.7.NMEA 2000 .................................................................................................... 90 13.2.8.通用和支持的PGN ..................................................................................................................................................................................................................................... 90 13.2.9。Instancing requirements when using Raymarine ........................................................... 90 13.2.10.Before LightHouse 4.1.75 ................................................................................... 90 13.2.11.LightHouse 4.1.75 and newer ............................................................................... 91 13.3.Navico MFD Integration ................................................................................................. 91 13.3.1.Introduction ..................................................................................................... 91 13.3.2.Compatibility .................................................................................................... 91 13.3.3.Wiring ........................................................................................................... 92 13.3.4.GX device configuration ....................................................................................... 92 13.3.5.配置多个电池测量值................................................................................................................................................................................................................................................................................................................. 92 13.3.6。Installation step-by-step ....................................................................................... 93 13.3.7.NMEA 2000 .................................................................................................... 93 13.3.8.Generic and supported PGNs ................................................................................ 93 13.3.9.Troubleshooting ................................................................................................ 94 13.4.Garmin MFD Integration ................................................................................................ 94 13.4.1.Introduction ..................................................................................................... 94 13.4.2.Compatibility .................................................................................................... 94 13.4.3.Wiring ........................................................................................................... 94 13.4.4.GX device configuration ....................................................................................... 95 13.4.5.Configuring multiple battery measurements ................................................................ 96 13.4.6.Installation step-by-step ....................................................................................... 96 13.4.7.NMEA 2000 .................................................................................................... 96 13.4.8.Generic and supported PGNs ................................................................................ 97 13.5.Furuno MFD Integration ................................................................................................. 97 13.5.1.Introduction ..................................................................................................... 97 13.5.2.Compatibility .................................................................................................... 97 13.5.3.Wiring ........................................................................................................... 97 13.5.4.Configuration ................................................................................................... 97 13.5.5.Configuring multiple battery measurements ................................................................ 98 13.5.6.NMEA 2000 .................................................................................................... 99 13.5.7.Generic and supported PGNs ................................................................................ 99