Banana bancky top virus Nano vle idae family Creme BBTV. plant pathogouve VIYUD - infecting banang planty It is transmitted by vector amphid (Sopsupins Pentatonia bigsonna →it is caused by encapsulate-shouded DNA Virw called Banana bunchy top virus Banana amphil can also feed on Heliconia and flowering ginger (gingiberaceae). Heit & symptoms BBIV affect borana fent and foliage > They infect family muwocose which includes banana, plantary, ahede smore.. No alternate host au reent - Any age planta can be inferted by this virus. the pathogus cours cytopathological effects in the phloem tissue which is the dawagin of hoarcem oured by vire -) This wrage help's to disgnox & characteurs the de dingu Name Come oides planta from the symptoms which occur in nao leaves are nallower than normal, Yellow and fo lat, bunchy apparone at top. I fruit is deformed, infected celle die & Ugar in color, cavine obaves Megubo Spots dashes The periode subhidanny. wary coating of the Stunted growth, Dishibution South east assa, Pl Pakistan, Srilanka. Usually whereva. Vector is present, pathogen. i's Present.. Diseak cydi Banana rvasa) transmit amphad (Pentalonia nigeonerbasa) the virus from infected. feeding healthey plants by They feed on Plant Phloem tissues by injechry thee Thin, flexible Stylet into the spicleents of Plant issue until it reaches the Phloem →then aphid injeet saliva and sucks the Cell Contents. It is done. Inadvertently ingerling visal Component) Vector transmission 9 BBTV Is Circulative and Propagative transmumen og pirus occurs feom and and to to phloe phloemtissue and virus does not replicato in amphid mid gut It ligures. 18 hours of feeding and then letan for I weeks, lehansmission of virus can happen as 2 hours of feeding a healthy plant: however it takes a month for 15B) Symphon -) 10 infeet, the Callies aphid can feed on banana plant for is min to 2 hooves Incuare the odds of transmission stuntins, dwaefrom, nervesie nosive, leaf bolling Muthiposhta Saathi genome Six Circulae &S DINA Corporate den Ikbp in length. Repin - calling ar le lepin, unidi veckan nucleic acid veepuration that causerelt in rapid synthesis of SSDNA Rep protein... 6 DNA compronti DVA RE, ARNAME), DNA C (cosx-ge PNAS (Capsid protein), DNA N-Gardasthurte Uz - Coat protein) - Probie mpus) dark green streaks, mesara bushy appaane. Multipartiam- may exert benefits by conferung guala stability due to the genome compartemental smaller ved segments, by increasing. fastu lepin of sma segments 4 generators nun-murated of fedtime, ganun shufflers generathy Drawbacks Onecemty to package all the legrante bogome Sto ensure the co-entry aan enicumble og viruslarig Containmy atleast one copy of each cach gonomic sequat management No desistant varieties. chemical control → remove infected Plant (logins). Quarantines Date Pleo lipovieidae Enveloped pleomorphic vision of about uonm in diametu. Enveles mat -Pseudo spheusal and pleomorphic archeal viruser They in feet-halophilic archeaed gaps - The enveloped Vivicon 18 a simple membrane Vesicle, which en classes diff ligperg DNA guam 16 kbp ->pleolipoviruses have a nallow hest range & a persisten, non lyve Visions Contoun a single type of trans membrane (spice) Protein at the envelope and a a single tyre og membrane proten. embedded in the envelope and located in the internal side g the membrano. - The genome of the Pleolipoviruses que circules Single or double stranded, crecular Same lineas or DANA molecules, they share the genome organization and gene Synteny and snolo significent similarity at the aminoccid laud Vilion enveloped Pleomorphic membrane Vesidy of 40-70mm diamets with Broteins forming spikes and membrana proking. 1 or 2 major Tor 2 internal The spike and internal membrane- proteins of Halolubrum pleomorphic view / ave VPy and VP₃ respectively. virion lack a Capsid or nucleocapsid. Saath Bare vual genome Circulas ssDNA-7-10-K00 Circular ds PNA linear dsPINA - 81-9・よしゅ 16 kp. Genus & pleolpovirus - Circular ESDPA Or ds DNA genome- Bpleolupo virusa culap ds DNA genome with sis discontinuities yphoup virus - Linear de DNA genome. A cluster & 5 genes/ORF, - Halorubrum Pleomorphic virus genes 3, 4 and 8, orf 6 and 7 The cluster meludes genes encoding a spire. and an inter membrane proteth as well as an off entending a putative NTPOR. Y pleokpo virus - encade a putative type BDNA dependent DNA polymerar - genere ends beat o teeminas proves. Repin non-lytic and most likely enter coluby membrane ferien. Either collins circle or protem primod lepin may be und Ceollins circle Circulal molecule, Protein Primed Repla-Unc transcriphen not studied Molecular progeny visions exit host cells continuously retarding hest growth with concullent unselective lipid acquisitich, implying that virion's bud theo membrane. Cell membro Saath Foronamy pleobpoerrus include spy: Haloascula vou Η HPVL, HHPV2, brew and HRDVE RPV - genomes contain 8-15 ORPS...( 2 (DRF Chester ORF enloding Putahte colline arcle Rep Prodes 3,4,8,687 ORF unknown function Vilu uns contan Single spike & internal membra →glalorubrum Contain- one minur Struchlad motem predicted tobe Nipar Bpleolupo virus sps Halogeometricuun. HGPUL, HRPV3 genomes18 or 10 ORD @scluster a sgenes (ORAS) V17/00 Contain - one tyre Spike protein X internal membrane Prok 2 typeg Spike moletoprolipid modified ✓ Gammo pleolipoviϊω Haloascula virus H1A2 - Onlysis. →genome 35 ORFJ vivien One Internatonoleum . 2. Spike protein and one mimor Aructural protein : Spice protein - lind modified Repin tranienbad Gene expression! dsDNA gen oma isteron Cytoplasmic by host RNA polymerak virus attaches to host cell genomic DNA penetrats Units the cytoplas ODINA is woverted todsDNA ③ Transeriphon og viral gener by host RNA Dolymeras @ Genome lepion by colliens uncle . Assembly & release of virius. Natured host halophike archae Transmissien passive diffusion theo mediens dath HEPADNA viridae -HBV Partially d's DNA Virus. Geriw-Orthohepadna virw family Hepadra viridae and asps of the Disede hepatitis B. order bluber visales... Classification 11 spl-sm-Hepatitis B virus Genera Por thahepodna virus four other genera @Herpeto hepadnovirus Avi hepelne virks @metahepad na virus Para hepadnavirus view- divided into 4 majos Sceotypes → ads, adwi aye, ayw band on the antigenic epitopes present on anvelope proteins. Viral strains ten genotyper (A-3)) 48 Subgentotypes. Morphology Structu > Polymerase A → Virus particle called Dane Particle vision. Consist of an oute lipid envelope and an icosahedral nucleocapsid Core Cempord of Proten → Nucleocapsid endoses the Viral DNA and ODNA polymerall that has reverse transcriptak actuity shital to reteo viruses. Fagn Na The outy embedded pratens involved in Viral binding of of entry into Sweeptible cells. Virus wamemallegt enveloped animal inves with diametu 92 but Pleomorphic fams exist, including filameritous and spherical badres f ea lacking a coste. Ther particles are not infection. and are compokog lipid and protein, that" forms part and sen face vrevion called surface. antigen (HBsAg) and is produced in excer dueing life cycle of the vives. Components: 5 HBsAg, HBeAg, HBeAg, HBX, Hepatitis B virus DNA polymerak. B.Ag Hepatitis B benforce antigen. BA → was the fisst Hepatitis B virus Protem to be discovered. It consists of small (5), medium (m) and large (1) Protein HBeAg Hepantid B lose antigen) is main structural Protero of HBV icorchedral nucleocapsid function replication of the virus Capond formation main factor for infection of HBcAg Centrisite to HBV cleanance in vivo, Hetahs Birus DNA polymeraxis incorporated into micliccapain along with the Pre-genomic RINA (GRIND). Oinside the caplid, the PORNA indigees rvere transpa making the (-ve) DNA shand. At the same time, Arest of the RNA template is degraded by the RNase 2 activity 엄 Polymerar This in followed by (+) DNA strand synthesid, & the polymerase ends op covalently bound to 6)DNA Shand. I discarded aftu the vision infects a newtell.