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(20…","visible":true,"closed":false,"archived":false,"bookmarked":null,"liked":null,"tags_descriptions":{},"views":52,"like_count":2,"has_summary":false,"last_poster_username":"m.chuvochina","category_id":5,"op_like_count":1,"pinned_globally":false,"featured_link":null,"has_accepted_answer":false,"can_have_answer":true,"can_vote":false,"posters":[{"extras":null,"description":"Original Poster","user_id":6,"primary_group_id":null,"flair_group_id":null},{"extras":"latest","description":"Most Recent Poster","user_id":5,"primary_group_id":null,"flair_group_id":null}]},{"fancy_title":"Misannotation in the GTDB226 Ref Database","id":807,"title":"Misannotation in the GTDB226 Ref Database","slug":"misannotation-in-the-gtdb226-ref-database","posts_count":5,"reply_count":2,"highest_post_number":5,"image_url":null,"created_at":"2026-02-23T04:05:26.503Z","last_posted_at":"2026-02-24T21:45:38.292Z","bumped":true,"bumped_at":"2026-02-24T21:45:38.292Z","archetype":"regular","unseen":false,"pinned":false,"unpinned":null,"excerpt":"Hi, \nApologies in advance for the long post. So I recently tried the GTDB226 classifier for the PacBio 16S full-length data. I am using the qiime2-amplicon-2025.7 version. Based on this reference -  https://forum.qiime2.…","visible":true,"closed":false,"archived":false,"bookmarked":null,"liked":null,"tags_descriptions":{},"views":139,"like_count":2,"has_summary":false,"last_poster_username":"ankurnaqib","category_id":5,"op_like_count":1,"pinned_globally":false,"featured_link":null,"has_accepted_answer":true,"can_have_answer":true,"can_vote":false,"posters":[{"extras":"latest","description":"Original Poster, Most Recent Poster, Accepted Answer","user_id":397,"primary_group_id":null,"flair_group_id":null},{"extras":null,"description":"Frequent Poster","user_id":4,"primary_group_id":null,"flair_group_id":null}]},{"fancy_title":"Same “order”, different “phylum”","id":797,"title":"Same \"order\", different \"phylum\"","slug":"same-order-different-phylum","posts_count":5,"reply_count":2,"highest_post_number":5,"image_url":null,"created_at":"2025-12-02T11:06:12.343Z","last_posted_at":"2026-01-28T23:23:56.067Z","bumped":true,"bumped_at":"2026-01-28T23:23:56.067Z","archetype":"regular","unseen":false,"pinned":false,"unpinned":null,"excerpt":"I am unable to understand how GTDB taxonomy lineage is prepared such that we have the same “order” taxa name despite being in different “phylum” taxa names? \nLook at following example: \n\nBacteria;Bacillota;Clostridia;Lac…","visible":true,"closed":false,"archived":false,"bookmarked":null,"liked":null,"tags_descriptions":{},"views":113,"like_count":0,"has_summary":false,"last_poster_username":"Phil_Hugenholtz","category_id":5,"op_like_count":0,"pinned_globally":false,"featured_link":null,"has_accepted_answer":false,"can_have_answer":true,"can_vote":false,"posters":[{"extras":null,"description":"Original Poster","user_id":384,"primary_group_id":null,"flair_group_id":null},{"extras":null,"description":"Frequent Poster","user_id":4,"primary_group_id":null,"flair_group_id":null},{"extras":"latest","description":"Most Recent Poster","user_id":138,"primary_group_id":null,"flair_group_id":null}]},{"fancy_title":"Limnothrix, Picosynechococcus","id":802,"title":"Limnothrix, Picosynechococcus","slug":"limnothrix-picosynechococcus","posts_count":4,"reply_count":2,"highest_post_number":5,"image_url":null,"created_at":"2026-01-21T04:35:20.081Z","last_posted_at":"2026-01-28T22:30:56.579Z","bumped":true,"bumped_at":"2026-01-28T22:30:56.579Z","archetype":"regular","unseen":false,"pinned":false,"unpinned":null,"excerpt":"GTDB currently assigns the name g__Limnothrix to a cluster represeted by s__Limnothrix_rosea. 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I would appreciate your guidance on a classification question. Using the classify_wf workflow in GTDB-Tk. 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\nThanks, \nKate Shulgina","visible":true,"closed":false,"archived":false,"bookmarked":null,"liked":null,"tags_descriptions":{},"views":1047,"like_count":0,"has_summary":false,"last_poster_username":"donovan.parks","category_id":5,"op_like_count":0,"pinned_globally":false,"featured_link":null,"has_accepted_answer":false,"can_have_answer":true,"can_vote":false,"posters":[{"extras":null,"description":"Original Poster","user_id":26,"primary_group_id":null,"flair_group_id":null},{"extras":null,"description":"Frequent Poster","user_id":334,"primary_group_id":null,"flair_group_id":null},{"extras":"latest","description":"Most Recent Poster","user_id":4,"primary_group_id":null,"flair_group_id":null}]},{"fancy_title":"Naming of polyphyletic groups","id":685,"title":"Naming of polyphyletic groups","slug":"naming-of-polyphyletic-groups","posts_count":4,"reply_count":0,"highest_post_number":4,"image_url":null,"created_at":"2024-11-14T21:27:20.154Z","last_posted_at":"2024-11-25T12:40:54.999Z","bumped":true,"bumped_at":"2024-11-25T12:40:54.999Z","archetype":"regular","unseen":false,"pinned":false,"unpinned":null,"excerpt":"M. gordonae is split into several polyphyletic groups: \n\nMycobacterium gordonae\nMycobacterium gordonae_B\nMycobacterium gordonae_D\n\nIs thre a reason M. gordonae_C was not used? 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I noticed that it has been subdivided into three groups: g_Bartonella_A, g_Bartonella_B,…","visible":true,"closed":false,"archived":false,"bookmarked":null,"liked":null,"tags_descriptions":{},"views":130,"like_count":0,"has_summary":false,"last_poster_username":"donovan.parks","category_id":5,"op_like_count":0,"pinned_globally":false,"featured_link":null,"has_accepted_answer":false,"can_have_answer":true,"can_vote":false,"posters":[{"extras":null,"description":"Original Poster","user_id":300,"primary_group_id":null,"flair_group_id":null},{"extras":"latest","description":"Most Recent Poster","user_id":4,"primary_group_id":null,"flair_group_id":null}]},{"fancy_title":"Bartonella is classified within the family Rhizobiaceae","id":633,"title":"Bartonella is classified within the family Rhizobiaceae","slug":"bartonella-is-classified-within-the-family-rhizobiaceae","posts_count":2,"reply_count":0,"highest_post_number":2,"image_url":null,"created_at":"2024-07-05T14:39:29.414Z","last_posted_at":"2024-07-09T03:12:46.000Z","bumped":true,"bumped_at":"2024-07-09T03:12:46.000Z","archetype":"regular","unseen":false,"pinned":false,"unpinned":null,"excerpt":"Dear all \nI was looking at the classification history of the genus Bartonella, and according to GTDB, it belongs to the family Rhizobiaceae. I would like to know why. There is a recent article that reviews the classifica…","visible":true,"closed":false,"archived":false,"bookmarked":null,"liked":null,"tags_descriptions":{},"views":98,"like_count":0,"has_summary":false,"last_poster_username":"Phil_Hugenholtz","category_id":5,"op_like_count":0,"pinned_globally":false,"featured_link":null,"has_accepted_answer":false,"can_have_answer":true,"can_vote":false,"posters":[{"extras":null,"description":"Original Poster","user_id":300,"primary_group_id":null,"flair_group_id":null},{"extras":"latest","description":"Most Recent Poster","user_id":138,"primary_group_id":null,"flair_group_id":null}]},{"fancy_title":"Divergences","id":623,"title":"Divergences","slug":"divergences","posts_count":2,"reply_count":0,"highest_post_number":2,"image_url":null,"created_at":"2024-06-10T05:31:47.411Z","last_posted_at":"2024-06-10T05:52:39.087Z","bumped":true,"bumped_at":"2024-06-10T05:52:39.087Z","archetype":"regular","unseen":false,"pinned":false,"unpinned":null,"excerpt":"Dear, \nI found some taxonomic classification divergences for some orders: \n\nAzospirillales (Azospirralaceae/Rhodospirillales at NCBI)\nBurkholderiales (Betaproteobacteria at NCBI) \nCould you help me with these questions, …","visible":true,"closed":false,"archived":false,"bookmarked":null,"liked":null,"tags_descriptions":{},"views":120,"like_count":0,"has_summary":false,"last_poster_username":"m.chuvochina","category_id":5,"op_like_count":0,"pinned_globally":false,"featured_link":null,"has_accepted_answer":false,"can_have_answer":true,"can_vote":false,"posters":[{"extras":null,"description":"Original Poster","user_id":297,"primary_group_id":null,"flair_group_id":null},{"extras":"latest","description":"Most Recent Poster","user_id":5,"primary_group_id":null,"flair_group_id":null}]}]}}