Dictyostelium Discoidinum | Developmental Biology | CSIR DBT JRF 2026 | Lec-31 | IFAS

Dictyostelium Discoidinum | Developmental Biology | CSIR DBT JRF 2026 | Lec-31 | IFAS explained with clear concepts and exam-focused approach. Master aggregation, cAMP signalling, and terminal differentiation with PYQ tricks for CSIR NET & DBT JRF. 🔥 Join India's Best Life Science Coaching - IFAS Online! 🔥 Live Online Batch: Super Emotion Batch 7.6 - Starts on 18 May 2026 🔥 Recorded Online Batch: Revolution Batch 7.6 from Live Batch Completed on 25 April 2026 🔥Join India's Best Coaching for CSIR NET and GATE Exams: https://ifasonline.com/csir-net/life-... 📞 Need Guidance? Call/WhatsApp: 9172266888 ━━━━━━━━━━━━━━━━━━━━━━━━━ ⏳ Lecture Timeline: [00:00:00] – Introduction to Dictyostelium discoideum [00:09:35] – Concept: Part‑Time Multicellularity [00:10:50] – Life Cycles: Asexual, Sexual, Aggregation [00:18:02] – Aggregation Initiation: Starvation & cAMP [00:23:00] – cAMP Pulses: Chemotaxis & Relay [00:35:01] – Carben Receptor: GPCR‑like, ACA Activation [00:43:35] – Aggregation Mechanism: Wave & PDE [00:47:40] – Tip Mound & Slug Formation [00:54:32] – Cell Adhesion: DdCAD‑1 (E‑cadherin‑like) [00:59:05] – Discoidin: Fibronectin‑like, Large Aggregates [01:04:25] – Terminal Differentiation: Stalk vs Spore [01:07:48] – Stalk Signals: DIF‑1, β‑catenin Inhib., cGMP [01:09:25] – Spore Signals: SDF‑1/2, cAMP, β‑catenin Act. [01:12:00] – Three Adenylyl Cyclases: ACA, ACB, ACG [01:13:44] – ACA Deficiency & cAMP Pulse Rescue [01:16:18] – ACB: Spore Maturation (Glassy if Deficient) [01:19:16] – ACG: Osmosensor, Spore Germination Control [01:23:52] – ACG Deficiency: Inappropriate Germination [01:29:22] – DPP: Practice Questions [01:40:08] – Complete Session (Dictyostelium discoideum) ━━━━━━━━━━━━━━━━━━━━━━━━━ 📖 Topics Covered in This Lecture: • Dictyostelium life cycle & aggregation • cAMP wave signalling mechanism • Cell adhesion molecules (csA, discoidin) • Terminal differentiation (stalk/spore) • Adenylate cyclases ACA, ACB, ACG roles • PYQ analysis & problem‑solving ━━━━━━━━━━━━━━━━━━━━━━━━━ 📚 Lecture Summary: In this session, IFAS Expert Faculty focuses on Dictyostelium discoideum, covering aggregation, cAMP relay, and terminal differentiation into stalk and spore. Key concepts like csA and discoidin adhesion, ACA/ACB/ACG functions, and PYQ‑based problem‑solving build exam‑ready clarity for CSIR DBT JRF. This Dictyostelium discoideum session bridges unicellular to multicellular transition. ━━━━━━━━━━━━━━━━━━━━━━━━━ 🎓 This lecture is highly beneficial for students preparing for: ✅ CSIR NET Life Science ✅ GATE Life Science ✅ GATE Biotechnology ✅ GATE Ecology & Evolutuon ✅ BET (DBT) ✅DHR ICMR (BRET) ✅ TIFR Biology  ✅ BARC Bioscience  ✅ SET / PhD Entrance Exams ━━━━━━━━━━━━━━━━━━━━━━━━━ 🏆 Why IFAS is India’s No. 1 Choice for CSIR NET & GATE Life Science? (Our Results Speak): ✅ CSIR NET Dec 2025: 4000+ Selections (AIR 3, 8, 9, 9...) ✅ CSIR NET June 2025: 4200+ Selections (AIR 1, 2, 6, 10...) ✅ CSIR NET Dec 2024: 4000+ Selections (AIR 5, 6, 7, 8, 9...) ✅ CSIR NET June 2024: 2000+ Selections (AIR 3, 10, 13...) ✅ CSIR NET Dec 2023: 1200+ Selections (AIR 2, 4, 5...) 📄 View IFAS Result Sheet: 👉 https://drive.google.com/file/d/1THh6... ━━━━━━━━━━━━━━━━━━━━━━━━━ 🔗 Important Links: 🌍 Visit our Website: https://ifasonline.com 📞 Contact for Queries: 9172266888 📘 Free Counselling: https://ifasonline.com/csir-net/life-... ━━━━━━━━━━━━━━━━━━━━━━━━━ 🔗 India's Best Online Classes and Books: 🔥CSIR NET Life Science Live & Recorded Course: https://ifasonline.com/csir-net/life-... 🎯 GATE Life Science Recorded Course: https://ifasonline.com/gate/life-scie... 🎯 GATE Biotechnology Recorded Course: https://ifasonline.com/gate/biotechno... 📘CSIR NET Life Science Books: https://ifasonline.com/csir-net/life-... ━━━━━━━━━━━━━━━━━━━━━━━━━ 📲 Download IFAS App: Android: https://play.google.com/store/apps/de... IOS: https://apps.apple.com/us/app/ifas/id... ━━━━━━━━━━━━━━━━━━━━━━━━━ Stay Updated Via Other Social Media: ✔ Telegram: https://t.me/IfasLifeScience ✔ Instagram:   / csir_net_life_science_ifas   #dictyosteliumdiscoideum #developmentalbiology #csirnetlifescience #gatelifescience #gatebt #setlifescience